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DEBU
2010
108views more  DEBU 2010»
15 years 5 months ago
Weighted Set-Based String Similarity
Consider a universe of tokens, each of which is associated with a weight, and a database consisting of strings that can be represented as subsets of these tokens. Given a query st...
Marios Hadjieleftheriou, Divesh Srivastava
SIGIR
2008
ACM
15 years 5 months ago
The impact of history length on personalized search
Personalized search is a promising way to better serve different users' information needs. Search history is one of the major information sources for search personalization. ...
Yangbo Zhu, Jamie Callan, Jaime G. Carbonell
136
Voted
PVLDB
2010
125views more  PVLDB 2010»
15 years 3 months ago
The Impact of Virtual Views on Containment
Virtual views are a mechanism that facilitates re-use and makes queries easier to express. However the use of iterative view definitions makes very simple query evaluation and an...
Michael Benedikt, Georg Gottlob
IDEAS
2009
IEEE
129views Database» more  IDEAS 2009»
15 years 3 months ago
Speeding-up data-driven applications with program summaries
We consider the class of database programs and address the problem of minimizing the cost of their exchanges with the database server. This cost partly consists of query execution...
Sonia Guehis, Virginie Goasdoué-Thion, Phil...
ICDE
2012
IEEE
298views Database» more  ICDE 2012»
13 years 8 months ago
Mapping XML to a Wide Sparse Table
— XML is commonly supported by SQL database systems. However, existing mappings of XML to tables can only deliver satisfactory query performance for limited use cases. In this pa...
Liang Jeff Chen, Philip A. Bernstein, Peter Carlin...