Much computer-based learning is largely passive, based primarily on task-based, exercise-driven interactions. We argue that computers have greater potential for promoting more act...
121 views158 votes15 years 5 months ago COLING 2002»
Automatic text categorization is a problem of automatically assigning text documents to predefined categories. In order to classify text documents, we must extract good features f...
106 views147 votes15 years 5 months ago CSCW 2002»
Mobile technology requires new methods for studying its use under realistic conditions "in the field." Reflexively, mobile technology also creates new opportunities for ...
167 views224 votes15 years 5 months ago IJCV 2002»
Instantaneous camera motion estimation is an important research topic in computer vision. Although in theory more than five points uniquely determine the solution in an ideal situa...
There have been many attempts to study the content of the web, either through human or automatic agents. Five different previously used web survey methodologies are described and ...
127 views157 votes15 years 5 months ago SIGMOD 2002»
Workflow management systems (WFMS) that are geared for the orchestration of business processes across multiple organizations are complex distributed systems: they consist of multi...
157 views148 votes15 years 4 months ago ICASSP 2010»
Bag-of-visual Words (BoW) image representation is getting popular in computer vision and multimedia communities. However, experiments show that the traditional BoW representation ...
132 views151 votes15 years 4 months ago JAIR 2010»
This paper discusses the problem of marrying structural similarity with semantic relatedness for Information Extraction from text. Aiming at accurate recognition of relations, we ...
162 views168 votes15 years 3 months ago PKDD 2010»
In this paper we propose a Bayesian model for multi-task feature selection. This model is based on a generalized spike and slab sparse prior distribution that enforces the selectio...
Abstract User-centered design is often performed without regard to individual user differences. In this paper, we report results of an empirical study aimed to evaluate whether com...