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» Efficient processing of XPath queries using indexes
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ICMCS
2000
IEEE
183views Multimedia» more  ICMCS 2000»
14 years 1 months ago
Broadcast News Parsing using Visual Cues: A Robust Face Detection Approach
: Automatic content-based analysis and indexing of broadcast news recordings or digitized news archives is becoming an important tool in the framework of many multimedia interactiv...
Yannis S. Avrithis, Nicolas Tsapatsoulis, Stefanos...
VIS
2004
IEEE
146views Visualization» more  VIS 2004»
14 years 10 months ago
Tracking of Vector Field Singularities in Unstructured 3D Time-Dependent Datasets
In this paper, we present an approach for monitoring the positions of vector field singularities in time-dependent datasets. The concept of singularity index is discussed and exte...
Christoph Garth, Xavier Tricoche, Gerik Scheuerman...
VLDB
2007
ACM
128views Database» more  VLDB 2007»
14 years 3 months ago
A genetic approach for random testing of database systems
Testing a database engine has been and continues to be a challenging task. The space of possible SQL queries along with their possible access paths is practically unbounded. Moreo...
Hardik Bati, Leo Giakoumakis, Steve Herbert, Aleks...
ICDE
2003
IEEE
161views Database» more  ICDE 2003»
14 years 10 months ago
Structural Join Order Selection for XML Query Optimization
Structural join operations are central to evaluating queries against XML data, and are typically responsible for consuming a lion's share of the query processing time. Thus, ...
Yuqing Wu, Jignesh M. Patel, H. V. Jagadish
XMLSEC
2003
ACM
14 years 2 months ago
Access control of XML documents considering update operations
As a large quantity of information is presented in XML format on the Web, there are increasing demands for XML security. Until now, research on XML security has been focused on th...
Chung-Hwan Lim, Seog Park, Sang Hyuk Son