Sciweavers

577 search results - page 35 / 116
» A Query Language for Data Access in Ubiquitous Environments
Sort
View
BIBM
2008
IEEE
144views Bioinformatics» more  BIBM 2008»
15 years 10 months ago
PhyQL: A Web-Based Phylogenetic Visual Query Engine
Biologists are often interested to query published phylogenetic data for research purposes. PhyQL, a web-based visual phylogenetic query engine, can be quite useful on this regard...
Shahriyar Hossain, Munirul Islam, Jesmin, Hasan M....
VLDB
2005
ACM
119views Database» more  VLDB 2005»
15 years 9 months ago
Database-Inspired Search
“W3QL: A Query Language for the WWW”, published in 1995, presented a language with several distinctive features. Employing existing indexes as access paths, it allowed the sel...
David Konopnicki, Oded Shmueli
DAWAK
2001
Springer
15 years 8 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
SIGIR
1996
ACM
15 years 8 months ago
A Deductive Data Model for Query Expansion
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...
Kalervo Järvelin, Jaana Kristensen, Timo Niem...
APWEB
2004
Springer
15 years 9 months ago
A Knowledge-Based Data Model and Query Algebra for the Next-Generation Web
The management of voluminous heterogeneous resources and services in the web environment is a complex task. Semantic knowledge is playing an increasing important role in order to h...
Qiujian Sheng, Zhongzhi Shi