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» Complexity of Answering Queries Using Materialized Views
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EMNLP
2004
15 years 1 months ago
Instance-Based Question Answering: A Data-Driven Approach
Anticipating the availability of large questionanswer datasets, we propose a principled, datadriven Instance-Based approach to Question Answering. Most question answering systems ...
Lucian Vlad Lita, Jaime G. Carbonell
VLDB
2007
ACM
121views Database» more  VLDB 2007»
15 years 12 months ago
Efficient Keyword Search over Virtual XML Views
Emerging applications such as personalized portals, enterprise search and web integration systems often require keyword search over semi-structured views. However, traditional inf...
Feng Shao, Lin Guo, Chavdar Botev, Anand Bhaskar, ...
VLDB
2005
ACM
105views Database» more  VLDB 2005»
15 years 5 months ago
View Matching for Outer-Join Views
Prior work on computing queries from materialized views has focused on views defined by expressions consisting of selection, projection, and inner joins, with an optional aggrega...
Per-Åke Larson, Jingren Zhou
CONCURRENCY
2008
127views more  CONCURRENCY 2008»
14 years 11 months ago
gLite Job Provenance - a job-centric view
ct Job Provenance (JP) is a Grid service that keeps long-term trace on completed computations for further reference. It is a job-centric service, keeping records about job life cyc...
Ales Krenek, Jirí Sitera, Ludek Matyska, Fr...
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ADBIS
2005
Springer
116views Database» more  ADBIS 2005»
15 years 5 months ago
A Formal Model for the Problem of View Selection for Aggregate Queries
We present a formal analysis of the following view-selection problem: Given a set of queries and a database, return definitions of views that, when materialized in the database, w...
Jingni Li, Zohreh Asgharzadeh Talebi, Rada Chirkov...