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ISD
1999
Springer
262views Database» more  ISD 1999»
14 years 29 days ago
Spatial Pictogram Enhanced Conceptual Data Models and Their Translation to Logical Data Models
The successful development of any geographic information system project needs the careful design and implementation of spatial databases via conceptual and logical data-modeling. T...
Shashi Shekhar, Ranga Raju Vatsavai, Sanjay Chawla...
WWW
2009
ACM
14 years 9 months ago
Unsupervised query categorization using automatically-built concept graphs
Automatic categorization of user queries is an important component of general purpose (Web) search engines, particularly for triggering rich, query-specific content and sponsored ...
Eustache Diemert, Gilles Vandelle
ISDA
2009
IEEE
14 years 3 months ago
From Local Patterns to Global Models: Towards Domain Driven Educational Process Mining
Educational process mining (EPM) aims at (i) constructing complete and compact educational process models that are able to reproduce all observed behavior (process model discovery...
Nikola Trcka, Mykola Pechenizkiy
ICWE
2004
Springer
14 years 2 months ago
Automatic Interpretation of Natural Language for a Multimedia E-learning Tool
Abstract. This paper describes the new e-learning tool CHESt that allows students to search in a knowledge base for short (teaching) multimedia clips by using a semantic search eng...
Serge Linckels, Christoph Meinel
DOLAP
2005
ACM
13 years 10 months ago
Modeling, querying and reasoning about OLAP databases: a functional approach
We propose a new functional framework for modeling, querying and reasoning about OLAP databases. The framework represents data (data cubes and dimensional hierarchies) and queryin...
Ken Q. Pu