Aggregation-based information retrieval system for geospatial data catalogs

被引：6
|
作者：
Lacasta, Javier [1 ]
Javier Lopez-Pellicer, F. [1 ]
Espejo-Garcia, Borja [1 ]
Nogueras-Iso, Javier [1 ]
Javier Zarazaga-Soria, F. [1 ]
机构：
[1] Univ Zaragoza, Aragon Inst Engn Res I3A, Zaragoza, Spain
来源：
INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE | 2017年 / 31卷 / 08期
关键词：
Geospatial data catalog; information retrieval; catalog service for the web; spatial data infrastructure; SERVICES; RANKING; SEARCH;
D O I：
10.1080/13658816.2017.1319949
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Geospatial data catalogs enable users to discover and access geographical information. Prevailing solutions are document oriented and fragment the spatial continuum of the geospatial data into independent and disconnected resources described through metadata. Due to this, the complete answer for a query may be scattered across multiple resources, making its discovery and access more difficult. This paper proposes an improved information retrieval process for geospatial data catalogs that aggregates the search results by identifying the implicit spatial/thematic relations between the metadata records of the resources. These aggregations are constructed in such a way that they match better the user query than each resource individually.
引用
收藏
页码：1583 / 1605
页数：23
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