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» Answer Selection and Confidence Estimation
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VLDB
2005
ACM
109views Database» more  VLDB 2005»
14 years 8 months ago
Model-based approximate querying in sensor networks
Abstract Declarative queries are proving to be an attractive paradigm for interacting with networks of wireless sensors. The metaphor that "the sensornet is a database" i...
Amol Deshpande, Carlos Guestrin, Samuel Madden, Jo...
VLDB
2005
ACM
121views Database» more  VLDB 2005»
14 years 2 months ago
Online Estimation For Subset-Based SQL Queries
The largest databases in use today are so large that answering a query exactly can take minutes, hours, or even days. One way to address this problem is to make use of approximati...
Chris Jermaine, Alin Dobra, Abhijit Pol, Shantanu ...
JIPS
2010
159views more  JIPS 2010»
13 years 3 months ago
A Dynamic Approach to Estimate Change Impact using Type of Change Propagation
Software evolution is an ongoing process carried out with the aim of extending base applications either for adding new functionalities or for adapting software to changing environm...
Chetna Gupta, Yogesh Singh, Durg Singh Chauhan
SEMWEB
2010
Springer
13 years 6 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin
CVPR
1997
IEEE
14 years 25 days ago
Multi-Modal Tracking of Faces for Video Communications
This paper describes a system which uses multiple visual processes to detect and track faces for video compression and transmission. The system is based on an architecture in whic...
James L. Crowley, François Bérard