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SIGMOD
2007
ACM
229views Database» more  SIGMOD 2007»
14 years 11 months ago
Spark: top-k keyword query in relational databases
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
Yi Luo, Xuemin Lin, Wei Wang 0011, Xiaofang Zhou
VLDB
2004
ACM
161views Database» more  VLDB 2004»
14 years 11 months ago
Supporting top-k join queries in relational databases
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....
Ihab F. Ilyas, Walid G. Aref, Ahmed K. Elmagarmid
SIGIR
2011
ACM
13 years 1 months ago
Active learning to maximize accuracy vs. effort in interactive information retrieval
We consider an interactive information retrieval task in which the user is interested in finding several to many relevant documents with minimal effort. Given an initial documen...
Aibo Tian, Matthew Lease
WINE
2007
Springer
96views Economy» more  WINE 2007»
14 years 4 months ago
PageRank as a Weak Tournament Solution
We observe that ranking systems—a theoretical framework for web page ranking and collaborative filtering introduced by Altman and Tennenholtz—and tournament solutions—a well...
Felix Brandt, Felix A. Fischer
DAGSTUHL
2007
14 years 7 days ago
An Axiomatic Approach to Personalized Ranking Systems
Personalized ranking systems and trust systems are an essential tool for collaboration in a multi-agent environment. In these systems, trust relations between many agents are aggr...
Alon Altman, Moshe Tennenholtz