Sciweavers

6746 search results - page 541 / 1350
» Multimodal Database Query
Sort
View
ICDE
1998
IEEE
70views Database» more  ICDE 1998»
16 years 8 months ago
Point-Versus Interval-Based Temporal Data Models
The association of timestamps with various data items such as tuples or attribute values is fundamental to the management of time-varying information. Using intervals in timestamp...
Michael H. Böhlen, Renato Busatto, Christian ...
SIGMOD
2006
ACM
112views Database» more  SIGMOD 2006»
16 years 7 months ago
Join minimization in XML-to-SQL translation: an algebraic approach
Consider an XML view defined over a relational database, and a user query specified over this view. This user XML query is typically processed using the following steps: (a) our t...
Murali Mani, Song Wang, Daniel J. Dougherty, Elke ...
EDBT
2004
ACM
163views Database» more  EDBT 2004»
16 years 7 months ago
Energy-Conserving Air Indexes for Nearest Neighbor Search
A location-based service (LBS) provides information based on the location information specified in a query. Nearest-neighbor (NN) search is an important class of queries supported ...
Baihua Zheng, Jianliang Xu, Wang-Chien Lee, Dik Lu...
201
Voted
ICDE
2010
IEEE
491views Database» more  ICDE 2010»
16 years 6 months ago
TrajStore: An Adaptive Storage System for Very Large Trajectory Data Sets
The rise of GPS and broadband-speed wireless devices has led to tremendous excitement about a range of applications broadly characterized as "location based services". Cu...
Philippe Cudré-Mauroux, Eugene Wu, Samuel M...
SIGMOD
2005
ACM
133views Database» more  SIGMOD 2005»
16 years 17 days ago
A Nested Relational Approach to Processing SQL Subqueries
One of the most powerful features of SQL is the use of nested queries. Most research work on the optimization of nested queries focuses on aggregate subqueries. However, the solut...
Bin Cao, Antonio Badia