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» Bitmap Index Design and Evaluation
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WWW
2010
ACM
15 years 3 months ago
Data summaries for on-demand queries over linked data
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
Andreas Harth, Katja Hose, Marcel Karnstedt, Axel ...
WWW
2008
ACM
15 years 10 months ago
Efficiently querying rdf data in triple stores
Efficiently querying RDF [1] data is being an important factor in applying Semantic Web technologies to real-world applications. In this context, many efforts have been made to st...
Ying Yan, Chen Wang, Aoying Zhou, Weining Qian, Li...
SIGMOD
2007
ACM
196views Database» more  SIGMOD 2007»
15 years 10 months ago
Adaptive location constraint processing
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
Zhengdao Xu, Hans-Arno Jacobsen
WWW
2004
ACM
15 years 10 months ago
Towards the self-annotating web
The success of the Semantic Web depends on the availability of ontologies as well as on the proliferation of web pages annotated with metadata conforming to these ontologies. Thus...
Philipp Cimiano, Siegfried Handschuh, Steffen Staa...
160
Voted
VLDB
2007
ACM
260views Database» more  VLDB 2007»
15 years 10 months ago
Approaching the Skyline in Z Order
Given a set of multidimensional data points, skyline query retrieves a set of data points that are not dominated by any other points. This query is useful for multi-preference ana...
Ken C. K. Lee, Baihua Zheng, Huajing Li, Wang-Chie...