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IMCSIT
2010
14 years 7 months ago
Quality Benchmarking Relational Databases and Lucene in the TREC4 Adhoc Task Environment
The present work covers a comparison of the text retrieval qualities of open source relational databases and Lucene, which is a full text search engine library, over English docume...
Ahmet Arslan, Ozgur Yilmazel
GIS
2007
ACM
15 years 11 months ago
Partition-based lazy updates for continuous queries over moving objects
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...
Yu-Ling Hsueh, Roger Zimmermann, Haojun Wang, Wei-...
CIKM
2008
Springer
14 years 11 months ago
Aggregate queries over ontologies
Answering queries over ontologies is an important issue for the Semantic Web. Aggregate queries were widely studied for relational databases but almost no results are known for ag...
Diego Calvanese, Evgeny Kharlamov, Werner Nutt, Ca...
VLDB
2007
ACM
126views Database» more  VLDB 2007»
15 years 10 months ago
SOR: A Practical System for Ontology Storage, Reasoning and Search
Ontology, an explicit specification of shared conceptualization, has been increasingly used to define formal data semantics and improve data reusability and interoperability in en...
Chen Wang, Jean-Sébastien Brunner, Jing Lu,...
CHI
2005
ACM
15 years 10 months ago
Sharing the big apple: a survey study of people, place and locatability
With the advancement in technologies to locate individuals, there has been an emergence of information systems that link People-to-People-to-Geographical-Places, labeled P3Systems...
Sukeshini A. Grandhi, Quentin Jones, Samer Karam