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ASWC
2008
Springer
15 years 8 months ago
Integrating Lightweight Reasoning into Class-Based Query Refinement for Object Search
More and more RDF data have been published online to be consumed. Ordinary Web users also expect to experience more intelligent services promised by the Semantic Web, such as objec...
Gong Cheng, Yuzhong Qu
CCCG
2008
15 years 8 months ago
Data Structures for Range-Aggregate Extent Queries
We consider a generalization of geometric range searching, with the goal of generating an informative "summary" of the objects contained in a query range via the applica...
Ravi Janardan, Prosenjit Gupta, Yokesh Kumar, Mich...
DASFAA
2010
IEEE
191views Database» more  DASFAA 2010»
15 years 7 months ago
Answering Top-k Similar Region Queries
Abstract. Advances in web technology have given rise to new information retrieval applications. In this paper, we present a model for geographical region search and call this class...
Chang Sheng, Yu Zheng, Wynne Hsu, Mong-Li Lee, Xin...
PVLDB
2008
101views more  PVLDB 2008»
15 years 6 months ago
Output perturbation with query relaxation
Given a dataset containing sensitive personal information, a statistical database answers aggregate queries in a manner that preserves individual privacy. We consider the problem ...
Xiaokui Xiao, Yufei Tao
TLSDKCS
2010
15 years 1 months ago
Improving Retrievability and Recall by Automatic Corpus Partitioning
Abstract. With increasing volumes of data, much effort has been devoted to finding the most suitable answer to an information need. However, in many domains, the question whether a...
Shariq Bashir, Andreas Rauber