689 search results - page 91 / 138 » Probabilistic skyline queries |
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
In uncertain and probabilistic databases, confidence values (or probabilities) are associated with each data item. Confidence values are assigned to query results based on combinin...
UAI
2003
13 years 9 months ago
2003
We investigate the use of probabilistic models and cost-benefit analyses to guide the operation of a Web-based question-answering system. We first provide an overview of research ...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
We present two general methods for proving lower bounds on the query complexity of nonadaptive quantum algorithms. Both methods are based on the adversary method of Ambainis. We sh...
IRFC
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. Information Retrieval (IR) systems combine a variety of techniques stemming from logical, vector-space and probabilistic models. This variety of combinations has produced...