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GIS
2005
ACM
14 years 8 months ago
Close pair queries in moving object databases
Databases of moving objects are important for air traffic control, ground traffic, and battlefield configurations. We introduce the (historical and spatial) range close-pair query...
Panfeng Zhou, Donghui Zhang, Betty Salzberg, Gene ...
SIGMOD
2010
ACM
250views Database» more  SIGMOD 2010»
13 years 7 months ago
Expressive and flexible access to web-extracted data: a keyword-based structured query language
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
Jeffrey Pound, Ihab F. Ilyas, Grant E. Weddell
CIVR
2008
Springer
165views Image Analysis» more  CIVR 2008»
13 years 9 months ago
Balancing thread based navigation for targeted video search
Various query methods for video search exist. Because of the semantic gap each method has its limitations. We argue that for effective retrieval query methods need to be combined ...
Ork de Rooij, Cees G. M. Snoek, Marcel Worring
ADBIS
1997
Springer
146views Database» more  ADBIS 1997»
13 years 11 months ago
S-Index: a Hybrid Structure for Text Retrieval
Today, two classes of indexing methods enjoying wide applicability are the Inverted Index and the Superimposed Coding based Signature File (SC-SF). The former is most efficient i...
Dimitrios Dervos, P. Linardis, Yannis Manolopoulos
WSDM
2010
ACM
194views Data Mining» more  WSDM 2010»
14 years 4 months ago
Ranking with Query-Dependent Loss for Web Search
Queries describe the users' search intent and therefore they play an essential role in the context of ranking for information retrieval and Web search. However, most of exist...
Jiang Bian, Tie-Yan Liu, Tao Qin, Hongyuan Zha