Ioannis Antonellis, Christos Bouras, Vassilis Poulopoulos, Christos Bouras
Scalable Text Classification as a tool for Personalization Abstract—We consider scalability issues of the text classification problem where by using (multi)-labeled training documents, we try to...
Patent Cases Docket Classification (2009)
Ioannis Antonellis, Panagiotis Papadimitriou
We contribute to the Intellectual Property Litigation Clearinghouse (IPLC) project by providing an extensive experimental evaluation of two classification techniques, namely classification trees and...
Click Graph, Ioannis Antonellis
We focus on the problem of query rewriting for sponsored search. We base rewrites on a historical click graph that records the ads that have been clicked on in response to past user queries. Given a...
Gavrielatos, Gerasimos, Pappas, Loukas K, Anthopoulos, Prodromos, Salachas, Anastasios, Ifantis, Georgios, Antonellis, Ioannis
Abstract A mechanical alteration during manoeuvring of stiff guidewires in tortuous coronary arteries frequently induces vessel wall shortening and coronary psedostenosis, referred as accordion...
Ioannis Antonellis, Hector Garcia-molina, Chi-chao Chang
rewriting through link analysis of the click graph
DESIGN AND IMPLEMENTATION OF A GAME BASED LEARNING RELATED COMMUNITY 1 ABSTRACT (2008)
Ioannis Antonellis, Christos Bouras, Vaggelis Kapoulas, Vassilis Poulopoulos
A web-based community aims at providing communication and collaboration tools to a special interest group. This paper describes the functionality and architecture issues of a community which aims to...
SCALABILITY OF TEXT CLASSIFICATION (2008)
Ioannis Antonellis, Christos Bouras, Vassilis Poulopoulos, Anastasios Zouzias
Abstract: We explore scalability issues of the text classification problem where using (multi)labeled training documents we try to build classifiers that assign documents into classes permitting...
Ioannis Antonellis, Efstratios Gallopoulos
We investigate the basics of and experiment with a tensor based document representation in Information Retrieval. Most documents have an inherent hierarchical structure that renders desirable the use...
Content Transformation Techniques (2008)
Ioannis Antonellis, Christos Bouras, Vassilis Poulopoulos
The expansion of the Web is enormous and, more and more, people everyday access its content trying to make their life easier and their informational level complete. One can realize that lately the...
Content Transformation Techniques (2008)
Vassilis Poulopoulos, Ioannis Antonellis, Ioannis Antonellis, Christos Bouras, Christos Bouras
this paper: the way of migrating data from device to device without damaging the integrity of the data and without distracting the user
Simrank++: Query rewriting through link analysis of the click graph (2007)
Antonellis, Ioannis, Garcia-Molina, Hector, Chang, Chi-Chao
We focus on the problem of query rewriting for sponsored search. We base rewrites on a historical click graph that records the ads that have been clicked on in response to past user queries. Given a...
Exploring term-document matrices from matrix models in text mining (2006)
Antonellis, Ioannis, Gallopoulos, Efstratios
We explore a matrix-space model, that is a natural extension to the vector space model for Information Retrieval. Each document can be represented by a matrix that is based on document extracts (e.g....
Exploring Term Document Matrices From Matrix Models in Text Mining (2006)
Ioannis Antonellis, Efstratios Gallopoulos, I. Antonellis, E. Gallopoulos
We explore a matrix-space model, that is a natural extension to the vector space model for Information Retrieval. Each document can be represented by a matrix that is based on document extracts (e.g....
Personalized news categorization through scalable text classification (2006)
Ioannis Antonellis, Christos Bouras, Vassilis Poulopoulos
Abstract. Existing news portals on the WWW aim to provide users with numerous articles that are categorized into specific topics. Such a categorization procedure improves presentation of the...
Personalized news categorization through scalable text classification (2006)
Ioannis Antonellis, Christos Bouras, Vassilis Poulopoulos
Abstract. Existing news portals on the WWW aim to provide users with numerous articles that are categorized into specific topics. Such a categorization procedure improves presentation of the...
Design And Implementation Of A Game Based (2005)
Learning Related Community, Ioannis Antonellis, Christos Bouras, Vaggelis Kapoulas, Vassilis Poulopoulos
A web-based community aims at providing communication and collaboration tools to a special interest group. This paper describes the functionality and architecture issues of a community which aims to...
Gavrielatos, Gerasimos, Pappas, Loukas K, Anthopoulos, Prodromos, Salachas, Anastasios, Ifantis, Georgios, Antonellis, Ioannis
A mechanical alteration during manoeuvring of stiff guidewires in tortuous coronary arteries frequently induces vessel wall shortening and coronary psedostenosis, referred as accordion phenomenon....