436 search results - page 63 / 88 » Estimating the Quality of Data in Relational Databases |
113
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MEDES
2010
ACM
14 years 4 months ago
2010
ACM
This work presents a case of an innovative Brazilian experience of use of free software in public administration as an emergent ecosystem, and the attempt to establish a quality f...
103
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EDBT
2012
ACM
13 years 3 days ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
KDD
2001
ACM
15 years 10 months ago
2001
ACM
This paper considers the framework of the so-called "market basket problem", in which a database of transactions is mined for the occurrence of unusually frequent item s...
155
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VLDB
2008
ACM
15 years 10 months ago
2008
ACM
Besides traditional domains (e.g., resource allocation, data mining applications), algorithms for medoid computation and related problems will play an important role in numerous e...
SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
Collection selection has been a research issue for years. Typically, in related work, precomputed statistics are employed in order to estimate the expected result quality of each ...