Sciweavers

2070 search results - page 204 / 414
» Querying Communities in Relational Databases
Sort
View
IRI
2003
IEEE
15 years 5 months ago
Damage Pattern Mining in Hurricane Image Databases
– We present a damage pattern mining framework for hurricane data on residential houses using aerial photographs with 1:3000 based scale. The vertical photographs are normally co...
Shu-Ching Chen, Mei-Ling Shyu, Chengcui Zhang, Wal...
ICDT
2001
ACM
131views Database» more  ICDT 2001»
15 years 4 months ago
Query Evaluation via Tree-Decompositions
A number of efficient methods for evaluating first-order and monadic-second order queries on finite relational structures are based on tree-decompositions of structures or quer...
Jörg Flum, Markus Frick, Martin Grohe
SIGMOD
2004
ACM
161views Database» more  SIGMOD 2004»
15 years 11 months ago
Approximation Techniques for Spatial Data
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
Abhinandan Das, Johannes Gehrke, Mirek Riedewald
DEXA
2004
Springer
96views Database» more  DEXA 2004»
15 years 5 months ago
A Selective Key-Oriented XML Index for the Index Selection Problem in XDBMS
Abstract. In relational database management systems indexes are used to accelerate specific queries. The selection of indexes is an important task when tuning a database which is ...
Beda Christoph Hammerschmidt, Martin Kempa, Volker...
BTW
2009
Springer
136views Database» more  BTW 2009»
15 years 3 months ago
Index Challenges in Native XML Database Systems
Today, more and more enterprises process XML data, many of them already in XML database systems. Once systems start to grow in size, scalability becomes an issue. One of the core o...
Henrik Loeser, Matthias Nicola, Jana Fitzgerald