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» On Checking Versus Evaluation of Multiple Queries
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MFCS
1990
Springer
13 years 9 months ago
On Checking Versus Evaluation of Multiple Queries
The plausibility of computing the answers to many membership queries to a hard set with few queries is the subject of the theory of terseness. In this paper, we develop companion ...
William I. Gasarch, Lane A. Hemachandra, Albrecht ...
CIKM
2008
Springer
13 years 7 months ago
A heuristic approach for checking containment of generalized tree-pattern queries
Query processing techniques for XML data have focused mainly on tree-pattern queries (TPQs). However, the need for querying XML data sources whose structure is very complex or not...
Pawel Placek, Dimitri Theodoratos, Stefanos Soulda...
CIKM
2006
Springer
13 years 9 months ago
Heuristic containment check of partial tree-pattern queries in the presence of index graphs
The wide adoption of XML has increased the interest of the database community on tree-structured data management techniques. Querying capabilities are provided through tree-patter...
Dimitri Theodoratos, Stefanos Souldatos, Theodore ...
WEBDB
2007
Springer
85views Database» more  WEBDB 2007»
13 years 11 months ago
Corroborating Answers from Multiple Web Sources
The Internet has changed the way people look for information. Users now expect the answers to their questions to be available through a simple web search. Web search engines are i...
Minji Wu, Amélie Marian
CAISE
2005
Springer
13 years 11 months ago
Querying Tree-Structured Data Using Dimension Graphs
Abstract. Tree structures provide a popular means to organize the information on the Web. Taxonomies of thematic categories, concept hierarchies, e-commerce product catalogs are ex...
Dimitri Theodoratos, Theodore Dalamagas