Sciweavers

1148 search results - page 123 / 230
» Using a relational database for scalable XML search
Sort
View
EXPDB
2006
ACM
14 years 2 months ago
Pushing XPath Accelerator to its Limits
Two competing encoding concepts are known to scale well with growing amounts of XML data: XPath Accelerator encoding implemented by MonetDB for in-memory documents and X-Hive’s ...
Christian Grün, Alexander Holupirek, Marc Kra...
PODS
1999
ACM
133views Database» more  PODS 1999»
14 years 1 months ago
Processing and Optimization of Multiway Spatial Joins Using R-Trees
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
Dimitris Papadias, Nikos Mamoulis, Yannis Theodori...
SEMWEB
2005
Springer
14 years 2 months ago
Containment and Minimization of RDF/S Query Patterns
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
Giorgos Serfiotis, Ioanna Koffina, Vassilis Christ...
IROS
2007
IEEE
198views Robotics» more  IROS 2007»
14 years 3 months ago
Topological mapping, localization and navigation using image collections
Abstract— In this paper we present a highly scalable visionbased localization and mapping method using image collections. A topological world representation is created online dur...
Friedrich Fraundorfer, Christopher Engels, David N...
ECIR
2007
Springer
13 years 10 months ago
Entropy-Based Authorship Search in Large Document Collections
The purpose of authorship search is to identify documents written by a particular author or in a particular style in large document collections. Standard search engines match docum...
Ying Zhao, Justin Zobel