Sciweavers

2840 search results - page 417 / 568
» Learning Phrasal Categories
Sort
View
WIDM
2004
ACM
15 years 11 months ago
Probabilistic models for focused web crawling
A Focused crawler must use information gleaned from previously crawled page sequences to estimate the relevance of a newly seen URL. Therefore, good performance depends on powerfu...
Hongyu Liu, Evangelos E. Milios, Jeannette Janssen
AIRS
2004
Springer
15 years 11 months ago
Automatic Word Clustering for Text Categorization Using Global Information
This paper presents a cluster-based text categorization system which uses class distributional clustering of words. We propose a new clustering model which considers the global in...
Wenliang Chen, Xingzhi Chang, Huizhen Wang, Jingbo...
ATAL
2004
Springer
15 years 11 months ago
An Empirical Study of the Effect of Agent Competence on User Performance and Perception
We studied the role of the competence of an interface agent that helped users to learn and use a text editor. Participants in the study made a set of changes to a document with th...
Jun Xiao, John T. Stasko, Richard Catrambone
IBERAMIA
2004
Springer
15 years 11 months ago
Improving the Performance of a Named Entity Extractor by Applying a Stacking Scheme
Abstract. In this paper we investigate the way of improving the performance of a Named Entity Extraction (NEE) system by applying machine learning techniques and corpus transformat...
José A. Troyano, Víctor J. Dí...
KDD
2004
ACM
624views Data Mining» more  KDD 2004»
15 years 11 months ago
Programming the K-means clustering algorithm in SQL
Using SQL has not been considered an efficient and feasible way to implement data mining algorithms. Although this is true for many data mining, machine learning and statistical a...
Carlos Ordonez