Sciweavers

138 search results - page 9 / 28
» Combining concept hierarchies and statistical topic models
Sort
View
84
Voted
WIDM
2005
ACM
15 years 5 months ago
DirectoryRank: ordering pages in web directories
Web Directories are repositories of Web pages organized in a hierarchy of topics and sub-topics. In this paper, we present DirectoryRank, a ranking framework that orders the pages...
Vlassis Krikos, Sofia Stamou, Pavlos Kokosis, Alex...
WEBI
2007
Springer
15 years 5 months ago
Detection of Web Subsites: Concepts, Algorithms, and Evaluation Issues
Web sites are often organized into several regions, each dedicated to a specific topic or serving a particular function. From a user’s perspective, these regions typically form ...
Eduarda Mendes Rodrigues, Natasa Milic-Frayling, B...
MLDM
2005
Springer
15 years 5 months ago
Unsupervised Learning of Visual Feature Hierarchies
We propose an unsupervised, probabilistic method for learning visual feature hierarchies. Starting from local, low-level features computed at interest point locations, the method c...
Fabien Scalzo, Justus H. Piater
95
Voted
SGP
2003
15 years 1 months ago
CLODs: Dual Hierarchies for Multiresolution Collision Detection
We present “contact levels of detail” (CLOD), a novel concept for multiresolution collision detection. Given a polyhedral model, our algorithm automatically builds a “dual h...
Miguel A. Otaduy, Ming C. Lin
91
Voted
WSC
2004
15 years 1 months ago
Teaching Regression with Simulation
Computer simulations can be used to teach complicated statistical concepts in linear regression more quickly and effectively than traditional lecture alone. In introductory applie...
John H. Walker