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» A Hierarchical Model of Web Summaries
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TOIS
2008
145views more  TOIS 2008»
14 years 11 months ago
Classification-aware hidden-web text database selection
Many valuable text databases on the web have non-crawlable contents that are "hidden" behind search interfaces. Metasearchers are helpful tools for searching over multip...
Panagiotis G. Ipeirotis, Luis Gravano
CVPR
2007
IEEE
16 years 1 months ago
Unsupervised Activity Perception by Hierarchical Bayesian Models
We propose a novel unsupervised learning framework for activity perception. To understand activities in complicated scenes from visual data, we propose a hierarchical Bayesian mod...
Xiaogang Wang, Xiaoxu Ma, Eric Grimson
JMLR
2008
159views more  JMLR 2008»
14 years 11 months ago
Dynamic Hierarchical Markov Random Fields for Integrated Web Data Extraction
Existing template-independent web data extraction approaches adopt highly ineffective decoupled strategies--attempting to do data record detection and attribute labeling in two se...
Jun Zhu, Zaiqing Nie, Bo Zhang, Ji-Rong Wen
FLAIRS
1998
15 years 1 months ago
A Hierarchical Shape Representation for Vision-Guided Robotics
Using an adequate representation is often the key to solve complex problems in Artificial Intelligence. Hierarchical shape representations are very convenient in domains -such as ...
Begoña Martínez-Salvador, Angel P. D...
HT
1996
ACM
15 years 4 months ago
HyPursuit: A Hierarchical Network Search Engine that Exploits Content-Link Hypertext Clustering
HyPursuit is a new hierarchical network search engine that clusters hypertext documents to structure a given information space for browsing and search activities. Our content-link...
Ron Weiss, Bienvenido Vélez, Mark A. Sheldo...