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» Reconciling Attribute Values from Multiple Data Sources
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AAAI
2006
13 years 6 months ago
Phoebus: A System for Extracting and Integrating Data from Unstructured and Ungrammatical Sources
With the proliferation of online classifieds and auctions comes a new need to meaningfully search and organize the items for sale. However, since the seller's item descriptio...
Matthew Michelson, Craig A. Knoblock
VLDB
1997
ACM
112views Database» more  VLDB 1997»
13 years 9 months ago
Selectivity Estimation Without the Attribute Value Independence Assumption
The result size of a query that involves multiple attributes from the same relation depends on these attributes’ joint data distribution,i.e., the frequencies of all combination...
Viswanath Poosala, Yannis E. Ioannidis
ADBIS
2003
Springer
204views Database» more  ADBIS 2003»
13 years 9 months ago
Hierarchical Bitmap Index: An Efficient and Scalable Indexing Technique for Set-Valued Attributes
Abstract. Set-valued attributes are convenient to model complex objects occurring in the real world. Currently available database systems support the storage of set-valued attribut...
Mikolaj Morzy, Tadeusz Morzy, Alexandros Nanopoulo...
CGF
2008
131views more  CGF 2008»
13 years 5 months ago
Concurrent Viewing of Multiple Attribute-Specific Subspaces
In this work we present a point classification algorithm for multi-variate data. Our method is based on the concept of attribute subspaces, which are derived from a set of user sp...
Robert Sisneros, C. Ryan Johnson, Jian Huang
ICDM
2002
IEEE
138views Data Mining» more  ICDM 2002»
13 years 10 months ago
Extraction Techniques for Mining Services from Web Sources
The Web has established itself as the dominant medium for doing electronic commerce. Consequently the number of service providers, both large and small, advertising their services...
Hasan Davulcu, Saikat Mukherjee, I. V. Ramakrishna...