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IR
2002
14 years 9 months ago
Hierarchical Text Categorization Using Neural Networks
This paper presents the design and evaluation of a text categorization method based on the Hierarchical Mixture of Experts model. This model uses a divide and conquer principle to ...
Miguel E. Ruiz, Padmini Srinivasan
SIGMOD
2004
ACM
123views Database» more  SIGMOD 2004»
15 years 9 months ago
Automatic Categorization of Query Results
Exploratory ad-hoc queries could return too many answers ? a phenomenon commonly referred to as "information overload". In this paper, we propose to automatically catego...
Kaushik Chakrabarti, Surajit Chaudhuri, Seung-won ...
FSTTCS
2005
Springer
15 years 3 months ago
Fixpoint Logics on Hierarchical Structures
Hierarchical graph definitions allow a modular description of graphs using modules for the specification of repeated substructures. Beside this modularity, hierarchical graph de...
Stefan Göller, Markus Lohrey
IJCV
2012
13 years 2 days ago
Minimizing Energies with Hierarchical Costs
Abstract Computer vision is full of problems elegantly expressed in terms of energy minimization. We characterize a class of energies with hierarchical costs and propose a novel hi...
Andrew Delong, Lena Gorelick, Olga Veksler, Yuri B...
KDD
1994
ACM
104views Data Mining» more  KDD 1994»
15 years 1 months ago
Dynamic Generation and Refinement of Concept Hierarchies for Knowledge Discovery in Databases
Concepthierarchies organizedata andconceptsin hierarchical ]ormsor in certain partial order, which helps expressingknowledgeanddata relationships in databasesin concise, highlevel...
Jiawei Han, Yongjian Fu