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» Indexing XML Data Stored in a Relational Database
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WWW
2011
ACM
14 years 4 months ago
Rewriting queries on SPARQL views
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
Wangchao Le, Songyun Duan, Anastasios Kementsietsi...
BNCOD
2004
85views Database» more  BNCOD 2004»
14 years 11 months ago
Database Support for Path Query Functions
Extending relational database functionality to include data mining primitives is one step towards the greater goal of more closely integrated database and mining systems. This pape...
Rachel Hamill, Nigel J. Martin
ICDE
2007
IEEE
119views Database» more  ICDE 2007»
15 years 4 months ago
Practical Preference Relations for Large Data Sets
User-defined preferences allow personalized ranking of query results. A user provides a declarative specification of his/her preferences, and the system is expected to use that ...
Kenneth A. Ross, Peter J. Stuckey, Amélie M...
SIGMOD
1999
ACM
110views Database» more  SIGMOD 1999»
15 years 2 months ago
Multi-dimensional Selectivity Estimation Using Compressed Histogram Information
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
Ju-Hong Lee, Deok-Hwan Kim, Chin-Wan Chung
DASFAA
2009
IEEE
156views Database» more  DASFAA 2009»
15 years 1 months ago
Knowledge Discovery over the Deep Web, Semantic Web and XML
Abstract. In this tutorial we provide an insight into Web Mining, i.e., discovering knowledge from the World Wide Web, especially with reference to the latest developments in Web t...
Aparna S. Varde, Fabian M. Suchanek, Richi Nayak, ...