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» Evaluating Discourse Processing Algorithms
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SIGIR
2002
ACM
14 years 9 months ago
Empirical studies in strategies for Arabic retrieval
This work evaluates a few search strategies for Arabic monolingual and cross-lingual retrieval, using the TREC Arabic corpus as the test-bed. The release by NIST in 2001 of an Ara...
Jinxi Xu, Alexander Fraser, Ralph M. Weischedel
PVLDB
2008
116views more  PVLDB 2008»
14 years 9 months ago
Tighter estimation using bottom k sketches
Summaries of massive data sets support approximate query processing over the original data. A basic aggregate over a set of records is the weight of subpopulations specified as a ...
Edith Cohen, Haim Kaplan
CIKM
2010
Springer
14 years 8 months ago
Document allocation policies for selective searching of distributed indexes
Indexes for large collections are often divided into shards that are distributed across multiple computers and searched in parallel to provide rapid interactive search. Typically,...
Anagha Kulkarni, Jamie Callan
CIKM
2010
Springer
14 years 8 months ago
Fast and accurate estimation of shortest paths in large graphs
Computing shortest paths between two given nodes is a fundamental operation over graphs, but known to be nontrivial over large disk-resident instances of graph data. While a numbe...
Andrey Gubichev, Srikanta J. Bedathur, Stephan Seu...
ISCA
2010
IEEE
229views Hardware» more  ISCA 2010»
14 years 8 months ago
Understanding sources of inefficiency in general-purpose chips
Due to their high volume, general-purpose processors, and now chip multiprocessors (CMPs), are much more cost effective than ASICs, but lag significantly in terms of performance a...
Rehan Hameed, Wajahat Qadeer, Megan Wachs, Omid Az...