Sciweavers

Share
warning: Creating default object from empty value in /var/www/modules/taxonomy/taxonomy.module on line 1416.
TKDE
2010
197views more  TKDE 2010»
9 years 9 months ago
Filtering Data Streams for Entity-Based Continuous Queries
The idea of allowing query users to relax their correctness requirements in order to improve performance of a data stream management system (e.g., location-based services and senso...
Reynold Cheng, Benjamin C. M. Kao, Alan Kwan, Suni...
CIKM
2010
Springer
10 years 1 months ago
Skyline query processing for uncertain data
Recently, several research efforts have addressed answering skyline queries efficiently over large datasets. However, this research lacks methods to compute these queries over un...
Mohamed E. Khalefa, Mohamed F. Mokbel, Justin J. L...
JFP
2006
80views more  JFP 2006»
10 years 2 months ago
Static analysis for path correctness of XML queries
A part of a query that will never contribute data to the query answer should be regarded as an error. This principle has been recently accepted into mainstream XML query languages...
Dario Colazzo, Giorgio Ghelli, Paolo Manghi, Carlo...
GEOINFO
2004
10 years 4 months ago
Approximate Spatial Query Processing using Raster Signatures
: Nowadays, the database characteristics, such as the huge volume of data, the complexity of the queries, and even the data availability, can demand minutes or hours to process a q...
Leonardo Guerreiro Azevedo, Rodrigo Salvador Monte...
EDBT
2000
ACM
10 years 6 months ago
Navigation-Driven Evaluation of Virtual Mediated Views
The MIX mediator systems incorporates a novel framework for navigation-driven evaluation of virtual mediated views. Its architecture allows the on-demand computation of views and q...
Bertram Ludäscher, Yannis Papakonstantinou, P...
CIKM
2005
Springer
10 years 8 months ago
Incremental evaluation of a monotone XPath fragment
This paper shows a scheme for incremental evaluation of XPath queries. Here, we focus on a monotone fragment of XPath, i.e., when a data is deleted from (or inserted to) the datab...
Hidetaka Matsumura, Keishi Tajima
books