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charnik@932
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1 Day Month Date Hour:Min:Sec Year Pyravlos Team
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charnik@932
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2
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charnik@932
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3 * Version 3.2.9 released.
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charnik@932
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4
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Konstantina@1235
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5 * Added support for the following google chart types: PieChart,
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Konstantina@1235
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6 AreaChart and ColumnChart to strabon endpoint.
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Konstantina@1235
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7
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charnik@1117
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8 * Added extension function <http://postgis.net/ST_Centroid> which is
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charnik@1117
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9 mapped to the ST_Centroid(geometry) extension function of PostGIS.
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charnik@1117
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10 See also: <http://postgis.org/docs/ST_Centroid.html>.
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charnik@1117
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11
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charnik@1115
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12 * Added extension function <http://postgis.net/ST_MakeLine> which is
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charnik@1115
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13 mapped to the ST_MakeLine(geometry, geometry) extension function of
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charnik@1115
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14 PostGIS. See also: <http://postgis.org/docs/ST_MakeLine.html>.
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charnik@1115
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15
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charnik@1115
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16 * Added PostGIS vocabulary class.
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charnik@1115
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17
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charnik@1012
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18 * Added support of all SPARQL result types provided by Sesame (json,
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charnik@1012
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19 xml, csv, tsv, binary). To get the respective writer, just prepend the
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charnik@1012
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20 string "SPARQL/", e.g., "SPARQL/JSON". This is to ensure that we
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charnik@1012
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21 support all SPARQL result formats of the SPARQL Protocol.
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charnik@1012
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22
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charnik@990
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23 * Fixed a bug where a non-implemented extension function would make
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charnik@990
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24 Strabon throw a NULL pointer exception. Now we get away with it
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charnik@990
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25 through a warning.
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charnik@990
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26
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charnik@990
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27 * Strabon endpoint now publishes the URIs of the supported units of
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charnik@990
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28 measure for use in strdf:distance and geof:distance functions of
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charnik@990
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29 stSPARQL and GeoSPARQL, respectively. The URIs are those defined by
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charnik@990
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30 OGC Units of Measure 1.0 specification which may be found at
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charnik@990
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31 http://www.opengis.net/def/uom/OGC/1.0/. Strabon endpoint publishes
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charnik@990
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32 the URIs at http://localhost:8080/endpoint/Capabilities.
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charnik@990
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33
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charnik@1004
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34 * Created new module with name 'vocab` and artifactId
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charnik@1004
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35 'strabon-vocabulary` and moved GeoConstants.java there. Other
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charnik@1004
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36 vocabularies have been added as well, such as Simple Features, and
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charnik@1004
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37 GeoSPARQL.
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charnik@966
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38
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charnik@964
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39 * Strabon endpoint now publishes the URIs of the supported extension
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charnik@964
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40 functions for stSPARQL and GeoSPARQL. One should access them by
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charnik@964
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41 hitting the link http://localhost:8080/endpoint/Capabilities.
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charnik@964
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42
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charnik@932
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43 * Support for parsing EPSG URIs in geometry literals with datatype
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charnik@932
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44 geo:wktLiteral.
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charnik@932
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45 (bug #33: http://bug.strabon.di.uoa.gr/ticket/33)
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Konstantina@1142
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46
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Konstantina@1142
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47 *Modified the NQUADSTranslator so that the rewritten triples are
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Konstantina@1142
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48 immediately flushed to the database once they are created.
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Konstantina@1142
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49
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Konstantina@1142
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50 *In the N-Quads format, the fourth element is *optional*. Made proper
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Konstantina@1142
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51 modification to the storage manager to coply to the specification
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Konstantina@1142
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52 described here: http://sw.deri.org/2008/07/n-quads/. Now files in
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Konstantina@1142
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53 NQUADS format can contain quads *or* triples in order to be stored
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Konstantina@1142
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54 successfully in Strabon.
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Konstantina@1142
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55
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Konstantina@1142
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56 *Fixed bug that occurs when storing periods having "UC" as ending
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Konstantina@1142
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57 point.
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Konstantina@1142
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58
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Konstantina@1142
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59 *Added an initial set of tests on temporal operations in the
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Konstantina@1142
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60 testsuite module.
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Konstantina@1158
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61
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Konstantina@1158
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62 *Completed support for temporal updates
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Konstantina@1158
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63
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Konstantina@1158
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64 *Moved vocabulary related to the temporal features of Strabon to the
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Konstantina@1158
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65 respective "vocabulary" project
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charnik@932
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66
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Konstantina@1168
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67 *The evaluation of temporal joins in the database does not produce
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Konstantina@1168
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68 cartesian products in the database
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charnik@932
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69
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kallirroi@1143
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70 * GeoSPARQL functions sfCrosses, sfOverlaps, ehOverlaps do not use the
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kallirroi@1143
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71 ST_Relate PostGIS function (bug #24: http://bug.strabon.di.uoa.gr/ticket/24)
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kallirroi@1143
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72
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kallirroi@1143
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73 * All Simple Features functions of GeoSPARQL do not use the ST_Relate
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kallirroi@1143
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74 PostGIS function
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psmeros@1176
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75
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Konstantina@1174
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76 * Added diffTime function. This function performs the difference
|
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Konstantina@1174
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77 between two literals of xsd:time datatype and returns a literal of
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Konstantina@1174
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78 the xsd:time datatype as well.
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psmeros@1175
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79
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psmeros@1175
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80 * Added a testsuite package in default branch. Full tester guide can be found
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psmeros@1175
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81 in README. Among other, most of GeoSPARQL compliance tests
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psmeros@1175
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82 (https://portal.opengeospatial.org/files/?artifact_id=47664, pg. 53) have been
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psmeros@1175
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83 implemented.
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kallirroi@1143
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84
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charnik@927
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85 Tue Mar 26 13:28:26 2013 Pyravlos Team
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charnik@645
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86
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charnik@853
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87 * Version 3.2.8 released.
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charnik@853
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88
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charnik@926
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89 * Added support for handling (storing/querying) GeoSPARQL datatypes.
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charnik@926
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90 (bug #31: http://bug.strabon.di.uoa.gr/ticket/31)
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charnik@926
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91
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charnik@926
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92 * Fixed a bug in StoreOp that wouldn't close the connection, neither
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charnik@926
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93 rollback the transaction upon an exception. This had as a side effect
|
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charnik@926
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94 the abnormal termination of StoreOp (through for example the use of
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charnik@926
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95 Ctrl-C signal) which was leaving the database locked.
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charnik@926
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96
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charnik@926
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97 * Fixed bug where spatial aggregates (e.g., union) didn't work as
|
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charnik@926
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98 expected when the query didn't contain a `GROUP BY' clause.
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charnik@926
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99 (bug #22: http://bug.strabon.di.uoa.gr/ticket/22)
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charnik@926
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100
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charnik@926
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101 * Updated GeoSPARQL namespaces and fixed function names to comply with
|
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charnik@926
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102 the GeoSPARQL specification.
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charnik@926
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103 (bug #25: http://bug.strabon.di.uoa.gr/ticket/25)
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Konstantina@1142
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104
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Konstantina@1142
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105 *Added preliminary tests on temporal functions in the respective
|
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Konstantina@1142
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106 "test" package of the runtime module.
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Konstantina@1142
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107
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Konstantina@1142
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108 *Added option to strabon and endpoint scripts to support storing
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Konstantina@1142
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109 files in NQUADS format.
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Konstantina@1142
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110
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Konstantina@1142
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111 *When a large file in NQUADS format is going to be stored, it is
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Konstantina@1142
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112 partitioned and stored in parts. This happens because the translation
|
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Konstantina@1142
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113 of quads to triples is a memory intensive job, so, translating and
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Konstantina@1142
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114 storing the file in batches increases performance.
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Konstantina@1142
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115
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charnik@926
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116
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charnik@853
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117 Wed Jan 09 18:06:41 2013 Pyravlos Team
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charnik@853
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118
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kkyzir@801
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119 * Version 3.2.7 released.
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kkyzir@801
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120
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ggarbis@854
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121 * Add an extension function
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ggarbis@854
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122 <http://strdf.di.uoa.gr/extensions/ontology#diffDateTime> for computing the
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ggarbis@854
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123 span (in milliseconds) between two timestamps.
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ggarbis@854
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124
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ggarbis@854
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125 * Added an <endpoint-exec> module. This module builds an executable jar file
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ggarbis@854
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126 with an embedded Apache Tomcat 7. To create and run the executable jar just
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ggarbis@854
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127 type:
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ggarbis@854
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128 $ mvn clean package
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ggarbis@854
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129 $ java -jar endpoint-exec/target/strabon-endpoint-executable-*.jar
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charnik@853
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130
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charnik@810
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131 * Modified strabon script and postgis/monetdb.StoreOP class to get an
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charnik@810
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132 option for storing a RDF file in a named graph. Moreover, the RDF
|
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charnik@810
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133 format of the input RDF file now is given as an option (still, if it
|
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charnik@810
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134 is missing, it is assumed that the input is in N-TRIPLES format). The
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charnik@810
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135 option for the format is -f and the option for the named graph is -g
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charnik@810
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136 (takes a URI as an argument).
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charnik@810
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137
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kkyzir@801
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138 * Modified the names of the stSPARQL extension functions that
|
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kkyzir@801
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139 utilize the minimum bounding boxes of the involved geometries.
|
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Konstantina@1142
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140
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Konstantina@1142
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141 *Fixed bug in the evaluation of temporal constructs.
|
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Konstantina@1142
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142
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Konstantina@1142
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143 *Fixed a major bug that occured when a temporal variable that also took part
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Konstantina@1142
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144 in a temporal join was projected.
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Konstantina@1142
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145
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Konstantina@1142
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146 *Renamed temporal extension functions to comply with the respective
|
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Konstantina@1142
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147 functions of Allen's temporal relations.
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Konstantina@1142
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148
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Konstantina@1142
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149 *Modified the implementation of the temporal relation functions
|
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Konstantina@1142
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150 "meets", "starts", "finishes", to comply with the semantics of the
|
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Konstantina@1142
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151 respective functions of Allen. These functions are not supported by
|
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Konstantina@1142
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152 PostgreSQL Temporal, so, in order to be evaluated in the database
|
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Konstantina@1142
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153 level, we implemented them as PostgreSQL extension functions.
|
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Konstantina@1142
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154 ATTENTION: In order to use these functions, the respective sql script
|
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Konstantina@1142
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155 that includes them should be loaded to the the temporally (and spa-
|
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Konstantina@1142
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156 tially) enabled database.
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Konstantina@1142
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157
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kkyzir@801
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158
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charnik@811
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159 Tue Dec 11 19:33:45 2012 Pyravlos Team
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charnik@811
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160
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kkyzir@800
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161 * Version 3.2.6 released.
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kkyzir@800
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162
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kkyzir@800
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163 * Modified the names of the stSPARQL extension functions to comply
|
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kkyzir@801
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164 with the OGC Simple Features Access standard.
|
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kkyzir@800
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165
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charnik@811
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166 Tue Dec 11 00:11:43 2012 Pyravlos Team
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charnik@811
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167
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charnik@645
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168 * Version 3.2.5 released.
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charnik@645
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169
|
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Konstantina@1142
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170 * Added support for storing and querying temporal information.
|
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Konstantina@1142
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171 This functionality may be found in the `temporals' branch.
|
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Konstantina@848
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172
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Konstantina@1142
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173 *The datatypes <http://strdf.di.uoa.gr/ontology#period> and
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charnik@849
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174 <http://www.w3.org/2001/XMLSchema#dateTime> are used to
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Konstantina@1142
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175 represent periods and instants respectively.
|
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Konstantina@848
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176
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Konstantina@1142
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177 *The valid time time of triples is represented using quadtruples,
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charnik@849
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178 with the valid time annotation(instant or period) being the
|
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Konstantina@1142
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179 fourth element of the quad. Into this direction:
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Konstantina@1142
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180 *Strabon has been extended to support the NQUADS format. The
|
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Konstantina@1142
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181 respective Sesame packages (of version 2.6.9) that support
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Konstantina@1142
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182 this format are used.
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Konstantina@1142
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183
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Konstantina@1142
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184 *NQuadTranslator class has been created. This class uses the
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Konstantina@1142
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185 NQUADS parser which is available here: https://github.com/joshsh/sesametools/tree/develop/nquads.
|
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Konstantina@1142
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186 The initial version of this parser did not include support
|
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Konstantina@1142
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187 for literals as the fourth element of the quad. We exteded
|
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Konstantina@1142
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188 it to support the valid time representations described above.
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Konstantina@1142
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189
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Konstantina@1142
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190 *The NQUADSTranslator translates quads into triples using the
|
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Konstantina@1142
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191 named graph approach, similar to the one proposed by Tappolet
|
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Konstantina@1142
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192 et al. and described in http://dl.acm.org/citation.cfm?id=1561565.
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Konstantina@1142
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193
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Konstantina@1142
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194 *The rdbms level of Strabon has been extended to (i) support
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Konstantina@1142
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195 tha period datatype (ii) store the period values in the table
|
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Konstantina@1142
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196 period_values(id, period). The period column is of the period
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Konstantina@1142
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197 datatype, offered by the PostgreSQL Temporal extension (http://sourceforge.net/projects/pgsql-temporal/).
|
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Konstantina@1142
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198 Also, a GiST index is created on this column.
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Konstantina@1142
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199
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Konstantina@1142
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200 *A rewriting mechanism that converts quad graph patterns into
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Konstantina@1142
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201 triple partners using the named graphs approach has been
|
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Konstantina@1142
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202 implemented as a method of the runtime.generaldb.Strabon
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Konstantina@1142
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203 class.
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Konstantina@1142
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204
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Konstantina@1142
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205 *A big part of the temporal functions of stSPARQL has been
|
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Konstantina@1142
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206 imlemented. These functions include:
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Konstantina@1142
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207 *The temporal relation functions during, periodOverlaps,
|
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Konstantina@1142
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208 equalsPeriod, nequalsPeriod, adjacent, before, after,
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Konstantina@1142
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209 overleft, overright, meets, starts, finishes.
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Konstantina@1142
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210
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Konstantina@1142
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211 *The period constructors period_intersect, period_union,
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Konstantina@1142
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212 preceding_period, and succeeding_period. The last two
|
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Konstantina@1142
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213 constructors are implemented using the jtemporal library.
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Konstantina@1142
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214 The other functions are implemented in the database,
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Konstantina@1142
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215 being mapped into the respective functions of PostgreSQL
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Konstantina@1142
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216 Temporal. A complete reference of PostgreSQL Temporal
|
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Konstantina@1142
|
217 can be found here: http://temporal.projects.pgfoundry.org/reference.html.
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Konstantina@1142
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218
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Konstantina@1142
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219 *The temporal constants "NOW" and "UC" (Until Changed)
|
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Konstantina@1142
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220 are supported.
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Konstantina@1142
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221
|
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Konstantina@1142
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222 *The vocabulary of the valid time dimension of stSPARQL can
|
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Konstantina@1142
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223 be found at the TemporalConstants class of the evaluation
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Konstantina@1142
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224 module.
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Konstantina@1142
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225
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charnik@759
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226 * Changed behaviour of Strabon and Strabon Endpoint for connecting to
|
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charnik@759
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227 a spatially-enabled database. Only one instance of Strabon is allowed
|
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charnik@759
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228 at a time.
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charnik@759
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229
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charnik@688
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230 * Implemented a Java client for Strabon Endpoint. The client should be
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charnik@688
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231 used only with endpoint versions >=3.2.5. The implementation may be
|
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charnik@688
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232 found int the `endpoint-client' submodule of maven. Currently, only
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charnik@688
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233 querying of Strabon Endpoints is supported.
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charnik@688
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234
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charnik@662
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235 * Added support for requesting the capabilities of Strabon Endpoint
|
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charnik@662
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236 (fixes Bug #20 <http://bug.strabon.di.uoa.gr/ticket/20>). See
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charnik@662
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237 changesets f840796400bf and ?<TBC>? for specific details and how you
|
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charnik@662
|
238 can determine the capabilities of older endpoints (versions <= 3.2.4).
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charnik@662
|
239
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charnik@658
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240 * Updated KML writer to include the projected variables of an stSPARQL
|
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charnik@658
|
241 query in "ExtendedData" and "Data" tags. This is the proper way to
|
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charnik@658
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242 do it if we need to convert a KML to a ESRI shapefile and also include
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charnik@658
|
243 such information as attributes for a feature. See related pages from
|
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charnik@658
|
244 KML specification:
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charnik@658
|
245 <https://developers.google.com/kml/documentation/kmlreference#extendeddata>
|
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charnik@658
|
246 <https://developers.google.com/kml/documentation/extendeddata>
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charnik@658
|
247
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charnik@645
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248 * Added user authentication for storing RDF data through Strabon
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charnik@662
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249 Endpoint. The credentials are specified in
|
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charnik@662
|
250 WEB-INF/credentials.properties file.
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charnik@645
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251
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charnik@645
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252 * Strabon Endpoints now limits the number of the results to a maximum
|
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charnik@645
|
253 one. The maximum number is specified in the beans.xml file. This
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charnik@645
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254 corresponds to parameter "maxLimit". The endpoint script has also been
|
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charnik@645
|
255 updated correspondingly; the limit can be given using the option "-l".
|
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charnik@645
|
256 One can disable limiting of query results, by setting the "maxLimit"
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charnik@645
|
257 parameter to 0. Addresses Bug #6
|
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charnik@645
|
258 (<http://bug.strabon.di.uoa.gr/ticket/6>).
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charnik@645
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259
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charnik@645
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260 * Added "Known Issues" section to README.
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charnik@645
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261
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charnik@645
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262 * Added -m (more memory) and -M (much more memory) options in strabon
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charnik@645
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263 script for out-of-memory exceptions.
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charnik@645
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264
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charnik@849
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265 * Fixed Bug #10 (<http://bug.strabon.di.uoa.gr/ticket/10>). Now
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charnik@849
|
266 KMLWriter handles more geometric types (other than polygons). See
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charnik@849
|
267 changeset 9a3bfee64a39.
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268
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269 * Menu and navigation in Strabon Endpoint has changed to use jquery.
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270 The menu is now populated using the queries placed inside the beans.xml.
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271
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272 * Added BrowseBean and browse.jsp for browsing the RDF data using the
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273 Strabon Endpoint.
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