Sciweavers

3403 search results - page 316 / 681
» A Query System in a Biological Database
Sort
View
WWW
2007
ACM
16 years 7 months ago
Exploit sequencing views in semantic cache to accelerate xpath query evaluation
In XML databases, materializing queries and their results into views in a semantic cache can improve the performance of query evaluation by reducing computational complexity and I...
Jianhua Feng, Na Ta, Yong Zhang, Guoliang Li
ER
2003
Springer
129views Database» more  ER 2003»
16 years 12 hour ago
Querying Heterogeneous XML Sources through a Conceptual Schema
XML is a widespread W3C standard used by several kinds of applications for data representation and exchange over the web. In the context of a system that provides semantic integrat...
Sandro Daniel Camillo, Carlos A. Heuser, Ronaldo d...
VLDB
2001
ACM
92views Database» more  VLDB 2001»
15 years 11 months ago
Fast Evaluation Techniques for Complex Similarity Queries
Complex similarity queries, i.e., multi-feature multi-object queries, are needed to express the information need of a user against a large multimedia repository. Even if a user in...
Klemens Böhm, Michael Mlivoncic, Hans-Jö...
SRDS
1998
IEEE
15 years 11 months ago
Interactive Image Retrieval over the Internet
In the paper, an e cient image database system is developed. The most important features of the proposed system include compressed domain indexing, searching by using scalable fea...
Jozsef Vass, Jia Yao, Anupam Joshi, Kannappan Pala...
GIS
2003
ACM
16 years 7 months ago
Processing in-route nearest neighbor queries: a comparison of alternative approaches
Nearest neighbor query is one of the most important operations in spatial databases and their application domains, e.g., locationbased services, advanced traveler information syst...
Shashi Shekhar, Jin Soung Yoo