Sciweavers

168 search results - page 14 / 34
» Optimized Index Structures for Querying RDF from the Web
Sort
View
105
Voted
BTW
2003
Springer
140views Database» more  BTW 2003»
15 years 5 months ago
An Ontology for Domain-oriented Semantic Similarity Search on XML Data
Abstract: Query languages for XML such as XPath or XQuery support Boolean retrieval where a query result is a (possibly restructured) subset of XML elements or entire documents tha...
Anja Theobald
VLDB
1999
ACM
87views Database» more  VLDB 1999»
15 years 4 months ago
Query Optimization for XML
XML is an emerging standard for data representation and exchange on the World-Wide Web. Due to the nature of information on the Web and the inherent flexibility of XML, we expect...
Jason McHugh, Jennifer Widom
GEOS
2007
Springer
15 years 6 months ago
Supporting Complex Thematic, Spatial and Temporal Queries over Semantic Web Data
Spatial and temporal data are critical components in many applications. This is especially true in analytical domains such as national security and criminal investigation. Often, t...
Matthew Perry, Amit P. Sheth, Farshad Hakimpour, P...
91
Voted
EDBT
2006
ACM
255views Database» more  EDBT 2006»
16 years 15 days ago
FIS-by-Step: Visualization of the Fast Index Scan for Nearest Neighbor Queries
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
Elke Achtert, Dominik Schwald
102
Voted
WEBDB
2001
Springer
113views Database» more  WEBDB 2001»
15 years 4 months ago
Indexing XML Data with ToXin
Indexing schemes for semistructured data have been developed in recent years to optimize path query processing by summarizing path information. However, most of these schemes can ...
Flavio Rizzolo, Alberto O. Mendelzon