Sciweavers

2298 search results - page 105 / 460
» Querying spatial patterns
Sort
View
107
Voted
SSD
2001
Springer
145views Database» more  SSD 2001»
15 years 5 months ago
Continuous Queries within an Architecture for Querying XML-Represented Moving Objects
The development of spatiotemporal database systems is primarily motivated by applications tracking and presenting mobile objects. Another important trend is the visualization and p...
Thomas Brinkhoff, Jürgen Weitkämper
SSD
2005
Springer
105views Database» more  SSD 2005»
15 years 6 months ago
Evaluation of Top-k OLAP Queries Using Aggregate R-Trees
Abstract. A top-k OLAP query groups measures with respect to some abstraction level of interesting dimensions and selects the k groups with the highest aggregate value. An example ...
Nikos Mamoulis, Spiridon Bakiras, Panos Kalnis
115
Voted
WEBDB
2010
Springer
167views Database» more  WEBDB 2010»
15 years 5 months ago
Tree patterns with Full Text Search
Tree patterns with full text search form the core of both XQuery Full Text and the NEXI query language. On such queries, users expect a relevance-ranked list of XML elements as an...
Maria-Hendrike Peetz, Maarten Marx
137
Voted
KES
2005
Springer
15 years 6 months ago
Design of a Digital Forensics Image Mining System
Increasing amount of illicit image data transmitted via the internet has triggered the need to develop effective image mining systems for digital forensics purposes. This paper dis...
Ross Brown, Binh Pham, Olivier Y. de Vel
WWW
2007
ACM
16 years 1 months ago
Estimating the cardinality of RDF graph patterns
Most RDF query languages allow for graph structure search through a conjunction of triples which is typically processed using join operations. A key factor in optimizing joins is ...
Angela Maduko, Kemafor Anyanwu, Amit P. Sheth, Pau...