107 search results - page 3 / 22 » Approximate Query Answering by Model Averaging |
162
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SIGMOD
2011
ACM
14 years 7 months ago
2011
ACM
We demonstrate a system for querying probabilistic XML documents with simple XPath queries. A user chooses between a variety of query answering techniques, both exact and approxim...
121
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ERCIMDL
2007
Springer
15 years 11 months ago
2007
Springer
We introduce a model of uncertainty where documents are not uniquely identified in a reference network, and some links may be incorrect. It generalizes the probabilistic approach ...
145
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UAI
2003
15 years 6 months ago
2003
In this paper, we introduce a method for approximating the solution to inference and optimization tasks in uncertain and deterministic reasoning. Such tasks are in general intract...
137
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CIKM
2004
Springer
15 years 10 months ago
2004
Springer
We examine the problem of retrieving the top-m ranked items from a large collection, randomly distributed across an n-node system. In order to retrieve the top m overall, we must ...
242
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ICDE
2006
IEEE
16 years 6 months ago
2006
IEEE
In this paper, we propose DBSampler, a query execution mechanism to answer "partial selection" queries in peerto-peer databases. A partial selection query is an arbitrar...