Sciweavers

1042 search results - page 103 / 209
» Constraint Databases, Data Structures and Efficient Query Ev...
Sort
View
CIKM
2004
Springer
14 years 3 months ago
Processing content-oriented XPath queries
Document-centric XML collections contain text-rich documents, marked up with XML tags that add lightweight semantics to the text. Querying such collections calls for a hybrid quer...
Börkur Sigurbjörnsson, Jaap Kamps, Maart...
ADBIS
2000
Springer
119views Database» more  ADBIS 2000»
14 years 2 months ago
A Benchmarking Technique for DBMS's with Advanced Data Models
The majority of database benchmarks currently in use in the industry were designed for relational databases. A different class of benchmarks became required for object oriented dat...
Naphtali Rishe, Alexander Vaschillo, Dmitry Vasile...
DAWAK
2001
Springer
14 years 2 months ago
Shared Index Scans for Data Warehouses
Tree based indexing structures like -trees, ·-trees, Bitmap indexes and Ê-trees have become essential for getting good performance when accessing vast datasets. However, most dat...
Yannis Kotidis, Yannis Sismanis, Nick Roussopoulos
GEOS
2009
Springer
14 years 2 months ago
SPARQL Query Re-writing Using Partonomy Based Transformation Rules
Abstract. Often the information present in a spatial knowledge base is represented at a different level of granularity and abstraction than the query constraints. For querying onto...
Prateek Jain, Peter Z. Yeh, Kunal Verma, Cory A. H...
CIKM
2006
Springer
14 years 3 days ago
Efficient range-constrained similarity search on wavelet synopses over multiple streams
Due to the resource limitation in the data stream environment, it has been reported that answering user queries according to the wavelet synopsis of a stream is an essential abili...
Hao-Ping Hung, Ming-Syan Chen