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IS
2007
13 years 7 months ago
Schema-conscious XML indexing
User queries on extensible markup language (XML) documents are typically expressed as regular path expressions. A variety of indexing techniques for efficiently retrieving the re...
Krishna P. Leela, Jayant R. Haritsa
JCDL
2004
ACM
125views Education» more  JCDL 2004»
14 years 1 months ago
Generating fuzzy semantic metadata describing spatial relations from images using the R-histogram
Automatic generation of semantic metadata describing spatial relations is highly desirable for image digital libraries. Relative spatial relations between objects in an image conv...
Yuhang Wang, Fillia Makedon, James Ford, Li Shen, ...
FOIKS
2008
Springer
13 years 9 months ago
A Transformation-Based Approach to View Updating in Stratifiable Deductive Databases
Abstract In this paper we present a new rule-based approach for consistency preserving view updating in deductive databases. Based on rule transformations performed during schema d...
Andreas Behrend, Rainer Manthey
GIS
2010
ACM
13 years 6 months ago
Supporting location-based approximate-keyword queries
Many Web sites support keyword search on their spatial data, such as business listings and photos. In these systems, inconsistencies and errors can exist in both queries and the d...
Sattam Alsubaiee, Alexander Behm, Chen Li
ICDE
2006
IEEE
164views Database» more  ICDE 2006»
14 years 1 months ago
Clustering Multidimensional Trajectories based on Shape and Velocity
Recently, the analysis of moving objects has become one of the most important technologies to be used in various applications such as GIS, navigation systems, and locationbased in...
Yutaka Yanagisawa, Tetsuji Satoh