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DOLAP
2006
ACM
14 years 1 months ago
Designing what-if analysis: towards a methodology
In order to be able to evaluate beforehand the impact of a strategical or tactical move, decision makers need reliable previsional systems. What-if analysis satisfies this need b...
Matteo Golfarelli, Stefano Rizzi, Andrea Proli
IRAL
2003
ACM
14 years 1 months ago
Issues in pre- and post-translation document expansion: untranslatable cognates and missegmented words
Query expansion by pseudo-relevance feedback is a well-established technique in both mono- and cross- lingual information retrieval, enriching and disambiguating the typically ter...
Gina-Anne Levow
CIKM
2009
Springer
13 years 11 months ago
Scalable indexing of RDF graphs for efficient join processing
Current approaches to RDF graph indexing suffer from weak data locality, i.e., information regarding a piece of data appears in multiple locations, spanning multiple data structur...
George H. L. Fletcher, Peter W. Beck
WAIM
2009
Springer
14 years 2 months ago
Dynamic Data Migration Policies for Query-Intensive Distributed Data Environments
Abstract. Modern large distributed applications, such as telecommunication and banking services, need to respond instantly to a huge number of queries within a short period of time...
Tengjiao Wang, Bishan Yang, Allen Huang, Qi Zhang,...
CHI
2005
ACM
14 years 8 months ago
Beyond being in the lab: using multi-agent modeling to isolate competing hypotheses
In studies of virtual teams, it is difficult to determine pure effects of geographic isolation and uneven communication technology. We developed a multi-agent computer model in Ne...
Ning Nan, Erik W. Johnston, Judith S. Olson, Natha...