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» An Empirical Study of Query Specificity
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VLDB
2002
ACM
83views Database» more  VLDB 2002»
13 years 8 months ago
Searching on the Secondary Structure of Protein Sequences
In spite of the many decades of progress in database research, surprisingly scientists in the life sciences community still struggle with inefficient and awkward tools for queryin...
Laurie Hammel, Jignesh M. Patel
DASFAA
2008
IEEE
106views Database» more  DASFAA 2008»
14 years 3 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...
WWW
2008
ACM
14 years 9 months ago
Analysis of geographic queries in a search engine log
Geography is becoming increasingly important in web search. Search engines can often return better results to users by analyzing features such as user location or geographic terms...
Qingqing Gan, Josh Attenberg, Alexander Markowetz,...
EDBT
2010
ACM
185views Database» more  EDBT 2010»
13 years 11 months ago
Probabilistic threshold k nearest neighbor queries over moving objects in symbolic indoor space
The availability of indoor positioning renders it possible to deploy location-based services in indoor spaces. Many such services will benefit from the efficient support for k n...
Bin Yang 0002, Hua Lu, Christian S. Jensen
WWW
2008
ACM
13 years 8 months ago
Divide, Compress and Conquer: Querying XML via Partitioned Path-Based Compressed Data Blocks
We propose a novel Partition Path-Based (PPB) grouping strategy to store compressed XML data in a stream of blocks. In addition, we employ a minimal indexing scheme called Block S...
Wilfred Ng, Ho Lam Lau, Aoying Zhou