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» Evaluation of Conditional Preference Queries
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EDBT
2004
ACM
122views Database» more  EDBT 2004»
14 years 10 months ago
Sketch-Based Multi-query Processing over Data Streams
Abstract. Recent years have witnessed an increasing interest in designing algorithms for querying and analyzing streaming data (i.e., data that is seen only once in a fixed order) ...
Alin Dobra, Minos N. Garofalakis, Johannes Gehrke,...
CIKM
2010
Springer
13 years 4 months ago
Predicting short-term interests using activity-based search context
A query considered in isolation offers limited information about a searcher's intent. Query context that considers pre-query activity (e.g., previous queries and page visits)...
Ryen W. White, Paul N. Bennett, Susan T. Dumais
SIGIR
2003
ACM
14 years 3 months ago
Automatic ranking of retrieval systems in imperfect environments
The empirical investigation of the effectiveness of information retrieval (IR) systems requires a test collection, a set of query topics, and a set of relevance judgments made by ...
Rabia Nuray, Fazli Can
IMC
2004
ACM
14 years 3 months ago
Characterizing the query behavior in peer-to-peer file sharing systems
This paper characterizes the query behavior of peers in a peer-topeer (P2P) file sharing system. In contrast to previous work, which provides various aggregate workload statistics...
Alexander Klemm, Christoph Lindemann, Mary K. Vern...
PVLDB
2010
85views more  PVLDB 2010»
13 years 8 months ago
Xplus: A SQL-Tuning-Aware Query Optimizer
The need to improve a suboptimal execution plan picked by the query optimizer for a repeatedly run SQL query arises routinely. Complex expressions, skewed or correlated data, and ...
Herodotos Herodotou, Shivnath Babu