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» Precise complexity analysis for efficient datalog queries
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ICDT
2010
ACM
180views Database» more  ICDT 2010»
16 years 3 months ago
Foundations of SPARQL Query Optimization
We study fundamental aspects related to the efficient processing of the SPARQL query language for RDF, proposed by the W3C to encode machine-readable information in the Semantic W...
Michael Schmidt, Michael Meier, Georg Lausen

Publication
535views
17 years 5 months ago
Continuous Evaluation of Monochromatic and Bichromatic Reverse Nearest Neighbors
This paper presents a novel algorithm for Incremental and General Evaluation of continuous Reverse Nearest neighbor queries (IGERN, for short). The IGERN algorithm is general as it...
James M. Kang, Mohamed F. Mokbel, Shashi Shekhar, ...
COLING
2010
15 years 26 days ago
Efficient Statement Identification for Automatic Market Forecasting
Strategic business decision making involves the analysis of market forecasts. Today, the identification and aggregation of relevant market statements is done by human experts, oft...
Henning Wachsmuth, Peter Prettenhofer, Benno Stein
ADBIS
1998
Springer
97views Database» more  ADBIS 1998»
15 years 10 months ago
Using Queries with Multi-Directional Functions for Numerical Database Applications
Object-oriented database management systems are often motivated by their support for new emerging application areas such as computer-aided design and analysis systems. The object-o...
Staffan Flodin, Kjell Orsborn, Tore Risch
CIKM
2005
Springer
15 years 11 months ago
Structured queries in XML retrieval
Document-centric XML is a mixture of text and structure. With the increased availability of document-centric XML content comes a need for query facilities in which both structural...
Jaap Kamps, Maarten Marx, Maarten de Rijke, Bö...