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» Modeling betweenness for question answering
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SIGIR
2003
ACM
15 years 11 months ago
Distributed Web Search as a Stochastic Game
Distributed search systems are an emerging phenomenon in Web search, in which independent topic-specific search engines provide search services, and metasearchers distribute userā...
Rinat Khoussainov, Nicholas Kushmerick
EPIA
1999
Springer
15 years 10 months ago
YapOr: an Or-Parallel Prolog System Based on Environment Copying
YapOr is an or-parallel system that extends the Yap Prolog system to exploit implicit or-parallelism in Prolog programs. It is based on the environment copying model, as first imp...
Ricardo Rocha, Fernando M. A. Silva, Vítor ...
DIS
1998
Springer
15 years 10 months ago
Uniform Characterizations of Polynomial-Query Learnabilities
We consider the exact learning in the query model. We deal with all types of queries introduced by Angluin: membership, equivalence, superset, subset, disjointness and exhaustivene...
Yosuke Hayashi, Satoshi Matsumoto, Ayumi Shinohara...
SIGMOD
1996
ACM
120views Database» more  SIGMOD 1996»
15 years 10 months ago
Implementing Data Cubes Efficiently
Decision support applications involve complex queries on very large databases. Since response times should be small, query optimization is critical. Users typically view the data ...
Venky Harinarayan, Anand Rajaraman, Jeffrey D. Ull...
ICDT
1990
ACM
110views Database» more  ICDT 1990»
15 years 10 months ago
Beginnings of a Theory of General Database Completions
Ordinary logical implication is not enough for answering queries in a logic database, since especially negative information is only implicitly represented in the database state. M...
Stefan Brass