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IJCAI
2003
15 years 8 months ago
Expressive Power of Tree and String Based Wrappers
There exist two types of wrappers: the string based wrapper such as the LR wrapper, and the tree based wrapper. A tree based wrapper designates extraction regions by nodes on the ...
Daisuke Ikeda, Yasuhiro Yamada, Sachio Hirokawa
IJCAI
2003
15 years 8 months ago
Describing and Utilizing Constraints to Answer Queries in Data-Integration Systems
In data-integration systems, information sources often have various constraints such as “all houses stored at a source have a unique address.” These constraints are very usefu...
Chen Li
IJCAI
2003
15 years 8 months ago
Generalizing GraphPlan by Formulating Planning as a CSP
We examine the approach of encoding planning problems as CSPs more closely. First we present a simple CSP encoding for planning problems and then a set of transformations that can...
Adriana Lopez, Fahiem Bacchus
IJCAI
2003
15 years 8 months ago
Trainability: Developing a responsive learning system
In this paper, we describe the lessons we learned in developing AgentBuilder, a commercial system for rapidly creating agents that extract information from web sites. AgentBuilder...
Steven Minton, Sorinel I. Ticrea, Jennifer Beach
IJCAI
2003
15 years 8 months ago
People Tracking with Anonymous and ID-Sensors Using Rao-Blackwellised Particle Filters
Estimating the location of people using a network of sensors placed throughout an environment is a fundamental challenge in smart environments and ubiquitous computing. Id-sensors...
Dirk Schulz, Dieter Fox, Jeffrey Hightower