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» Querying Complex Structured Databases
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ECIR
2006
Springer
13 years 9 months ago
Efficient Phrase Querying with Common Phrase Index
Abstract. In this paper, we propose a common phrase index as an efficient index structure to support phrase queries in a very large text database. Our structure is an extension of ...
Matthew Chang, Chung Keung Poon
SIGMOD
2006
ACM
202views Database» more  SIGMOD 2006»
14 years 8 months ago
Avatar semantic search: a database approach to information retrieval
We present Avatar Semantic Search, a prototype search engine that exploits annotations in the context of classical keyword search. The process of annotations is accomplished offli...
Eser Kandogan, Rajasekar Krishnamurthy, Sriram Rag...
DEXA
2004
Springer
140views Database» more  DEXA 2004»
14 years 1 months ago
Declustering of Trajectories for Indexing of Moving Objects Databases
Efficient storage and retrieval of trajectory indexes has become an essential requirement for moving objects databases. The existing 3DR-tree is known to be an effective trajectory...
Youngduk Seo, Bonghee Hong
VLDB
2005
ACM
129views Database» more  VLDB 2005»
14 years 1 months ago
Sketching Streams Through the Net: Distributed Approximate Query Tracking
Emerging large-scale monitoring applications require continuous tracking of complex dataanalysis queries over collections of physicallydistributed streams. Effective solutions hav...
Graham Cormode, Minos N. Garofalakis
CIKM
2005
Springer
14 years 1 months ago
Maximal termsets as a query structuring mechanism
Search engines process queries conjunctively to restrict the size of the answer set. Further, it is not rare to observe a mismatch between the vocabulary used in the text of Web p...
Bruno Pôssas, Nivio Ziviani, Berthier A. Rib...