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» On Scalable Information Retrieval Systems
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DPD
1998
117views more  DPD 1998»
15 years 6 months ago
Solving Local Cost Estimation Problem for Global Query Optimization in Multidatabase Systems
To meet users’ growing needs for accessing pre-existing heterogeneous databases, a multidatabase system (MDBS) integrating multiple databases has attracted many researchers recen...
Qiang Zhu, Per-Åke Larson
DASFAA
2008
IEEE
106views Database» more  DASFAA 2008»
16 years 1 months ago
Flood Little, Cache More: Effective Result-Reuse in P2P IR Systems
State-of-the-art Peer-to-Peer Information Retrieval (P2P IR) systems suffer from their lack of response time guarantee especially with scale. To address this issue, a number of tec...
Christian Zimmer, Srikanta J. Bedathur, Gerhard We...
CIKM
2007
Springer
16 years 24 days ago
Index compression is good, especially for random access
Index compression techniques are known to substantially decrease the storage requirements of a text retrieval system. As a side-effect, they may increase its retrieval performanc...
Stefan Büttcher, Charles L. A. Clarke
MM
2003
ACM
124views Multimedia» more  MM 2003»
15 years 12 months ago
Using structure patterns of temporal and spectral feature in audio similarity measure
Although statistical characteristics of audio features are widely used for similarity measure in most of current audio analysis systems and have been proved to be effective, they ...
Rui Cai, Lie Lu, HongJiang Zhang
AI
2000
Springer
15 years 11 months ago
Using Noun Phrase Heads to Extract Document Keyphrases
Automatically extracting keyphrases from documents is a task with many applications in information retrieval and natural language processing. Document retrieval can be biased towar...
Ken Barker, Nadia Cornacchia