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» On database query languages for K-relations
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SIGMOD
2006
ACM
232views Database» more  SIGMOD 2006»
14 years 8 months ago
High-performance complex event processing over streams
In this paper, we present the design, implementation, and evaluation of a system that executes complex event queries over real-time streams of RFID readings encoded as events. The...
Eugene Wu 0002, Yanlei Diao, Shariq Rizvi
GIS
2009
ACM
14 years 16 days ago
A multidimensional model representing continuous fields in spatial data warehouses
Data warehouses and On-Line Analytical Processing (OLAP) provide an analysis framework supporting the decision making process. In many application domains, complex analysis tasks ...
Alejandro A. Vaisman, Esteban Zimányi
SSDBM
2009
IEEE
126views Database» more  SSDBM 2009»
14 years 2 months ago
Comprehensive Optimization of Declarative Sensor Network Queries
We present a novel sensor network query processing architecture that (a) covers all the query optimization phases that are required to map a declarative query to executable code; ...
Ixent Galpin, Christian Y. A. Brenninkmeijer, Farh...
DMSN
2009
ACM
14 years 2 months ago
Extracting tennis statistics from wireless sensing environments
Creating statistics from sporting events is now widespread with most efforts to automate this process using various sensor devices. The problem with many of these statistical app...
Adel Shaeib, Kenneth Conroy, Mark Roantree
FQAS
2009
Springer
181views Database» more  FQAS 2009»
14 years 2 months ago
Interlingual Information Extraction as a Solution for Multilingual QA Systems
Information extraction systems have been dealt with at length from the viewpoint of users posing definite questions whose expected answer is to be found in a document collection. T...
Jesús Cardeñosa, Carolina Gallardo, ...