2850 search results - page 110 / 570 » Answering Queries using Humans, Algorithms and Databases |
137
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SSDBM
2008
IEEE
15 years 9 months ago
2008
IEEE
Increasingly, many data sources appear as online databases, hidden behind query forms, thus forming what is referred to as the deep web. It is desirable to have systems that can pr...
130
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SIGMOD
1998
ACM
15 years 7 months ago
1998
ACM
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
146
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SIGMOD
2012
ACM
13 years 5 months ago
2012
ACM
How-To queries answer fundamental data analysis questions of the form: “How should the input change in order to achieve the desired output”. As a Reverse Data Management probl...
223
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SIGMOD
2008
ACM
16 years 3 months ago
2008
ACM
To deal with data uncertainty, existing probabilistic database systems augment tuples with attribute-level or tuple-level probability values, which are loaded into the database al...
129
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SEMWEB
2010
Springer
15 years 1 months ago
2010
Springer
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...