9507 search results - page 1691 / 1902 » Time-based language models |
191
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SCP
2000
15 years 4 months ago
2000
Obtaining performance models, like Markov chains and queueing networks, for systems of significant complexity and magnitude is a difficult task that is usually tackled using human...
133
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COMPUTER
1999
15 years 4 months ago
1999
abstract mathematical or physical statement, not something specific. The way scientific programmers most frequently verify that their programs are correct is to examine their resul...
162
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CIKM
2011
Springer
14 years 5 months ago
2011
Springer
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...
267
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ICDE
2008
IEEE
16 years 6 months ago
2008
IEEE
ct The backbone of the XML data model, namely ordered, unranked trees, is inherently recursive and it is natural to equip the associated languages with constructs that can query su...
245
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GIS
2009
ACM
2009
ACM
Web 2.0 Geospatial Visual Analytics for Improved Urban Flooding Situational Awareness and Assessment
16 years 6 months ago
Situational awareness of urban flooding during storm events is important for disaster and emergency management. However, no general purpose tools yet exist for rendering rainfall ...