Sciweavers

2457 search results - page 407 / 492
» Evaluating Geographic Information Retrieval
Sort
View
WWW
2004
ACM
14 years 10 months ago
The interoperability of learning object repositories and services: standards, implementations and lessons learned
Interoperability is one of the main issues in creating a networked system of repositories. The eduSource project in its holistic approach to building a network of learning object ...
Marek Hatala, Griff Richards, Timmy Eap, Jordan Wi...
SIGMOD
2008
ACM
206views Database» more  SIGMOD 2008»
14 years 10 months ago
Ad-hoc aggregations of ranked lists in the presence of hierarchies
A variety of web sites and web based services produce textual lists at varying time granularities ranked according to several criteria. For example, Google Trends produces lists o...
Nilesh Bansal, Sudipto Guha, Nick Koudas
WWW
2010
ACM
14 years 5 months ago
A pattern tree-based approach to learning URL normalization rules
Duplicate URLs have brought serious troubles to the whole pipeline of a search engine, from crawling, indexing, to result serving. URL normalization is to transform duplicate URLs...
Tao Lei, Rui Cai, Jiang-Ming Yang, Yan Ke, Xiaodon...
RECSYS
2009
ACM
14 years 4 months ago
Latent dirichlet allocation for tag recommendation
Tagging systems have become major infrastructures on the Web. They allow users to create tags that annotate and categorize content and share them with other users, very helpful in...
Ralf Krestel, Peter Fankhauser, Wolfgang Nejdl
INFOCOM
2008
IEEE
14 years 4 months ago
Area Avoidance Routing in Distance-Vector Networks
Network routing may be required, under certain applications, to avoid certain areas (or nodes) These areas can be of potential security threat, possess poor quality or have other ...
Haim Zlatokrilov, Hanoch Levy