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IJCAI
2007
13 years 9 months ago
A New Perspective on Stable Models
The definition of a stable model has provided a declarative semantics for Prolog programs with negation as failure and has led to the development of answer set programming. In th...
Paolo Ferraris, Joohyung Lee, Vladimir Lifschitz
IJCAI
2007
13 years 9 months ago
Learning Restart Strategies
Matteo Gagliolo, Jürgen Schmidhuber
IJCAI
2007
13 years 9 months ago
Open Information Extraction from the Web
Traditionally, Information Extraction (IE) has focused on satisfying precise, narrow, pre-specified requests from small homogeneous corpora (e.g., extract the location and time o...
Michele Banko, Michael J. Cafarella, Stephen Soder...
IJCAI
2007
13 years 9 months ago
A Lattice-Based Approach to Computing Warranted Beliefs in Skeptical Argumentation Frameworks
argumentation frameworks have played a major role as a way of understanding argumentbased inference, resulting in different argumentbased semantics. In order to make such semantic...
Carlos Iván Chesñevar, Guillermo Ric...
IJCAI
2007
13 years 9 months ago
Inside-Outside Probability Computation for Belief Propagation
In this paper we prove that the well-known correspondence between the forward-backward algorithm for hidden Markov models (HMMs) and belief propagation (BP) applied to HMMs can be...
Taisuke Sato
IJCAI
2007
13 years 9 months ago
Modeling When Connections Are the Problem
Most AI diagnostic reasoning approaches model components and but not their interconnections, and when they do model interconnections, they model the possibility that a connection ...
Johan de Kleer
IJCAI
2007
13 years 9 months ago
Planning with Goal Utility Dependencies
Minh Binh Do, J. Benton, Menkes van den Briel, Sub...
IJCAI
2007
13 years 9 months ago
Utile Distinctions for Relational Reinforcement Learning
We introduce an approach to autonomously creating state space abstractions for an online reinforcement learning agent using a relational representation. Our approach uses a tree-b...
William Dabney, Amy McGovern
IJCAI
2007
13 years 9 months ago
Online Learning and Exploiting Relational Models in Reinforcement Learning
In recent years, there has been a growing interest in using rich representations such as relational languages for reinforcement learning. However, while expressive languages have ...
Tom Croonenborghs, Jan Ramon, Hendrik Blockeel, Ma...
IJCAI
2007
13 years 9 months ago
Exploiting Image Contents in Web Search
Web search is a challenging task. Previous research mainly exploits texts on the Web pages or link information between the pages, while multimedia information is largely ignored. ...
Zhi-Hua Zhou, Hong-Bin Dai