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» A Geometrically Enhanced Conceptual Model and Query Language
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XSYM
2009
Springer
264views Database» more  XSYM 2009»
13 years 12 months ago
From Entity Relationship to XML Schema: A Graph-Theoretic Approach
Abstract. We propose a mapping from the Enhanced Entity Relationship conceptual model to the W3C XML Schema Language with the following properties: information and integrity constr...
Massimo Franceschet, Donatella Gubiani, Angelo Mon...
SEBD
2001
145views Database» more  SEBD 2001»
13 years 6 months ago
Reasoning over Conceptual Schemas and Queries in Temporal Databases
This paper introduces a new logical formalism, intended for temporal conceptual modelling, as a natural combination of the well-known description logic DLR and point-based linear ...
Alessandro Artale, Enrico Franconi, Milenko Mosuro...
ICDT
2007
ACM
106views Database» more  ICDT 2007»
13 years 11 months ago
Trajectory Databases: Data Models, Uncertainty and Complete Query Languages
Moving objects produce trajectories. We describe a data model for trajectories and trajectory samples and an efficient way of modeling uncertainty via beads for trajectory samples....
Bart Kuijpers, Walied Othman
IEEEICCI
2003
IEEE
13 years 10 months ago
Mixing Semantic Networks and Conceptual Vectors: The Case of Hyperonymy
In this paper, we focus on lexical semantics, a key issue in Natural Language Processing (NLP) that tends to converge with conceptual Knowledge Representation (KR) and ontologies....
Violaine Prince, Mathieu Lafourcade
ECIR
2007
Springer
13 years 6 months ago
Enhancing Expert Search Through Query Modeling
An expert finding is a very common task among enterprise search activities, while its usual retrieval performance is far from the quality of the Web search. Query modeling helps t...
Pavel Serdyukov, Sergey Chernov, Wolfgang Nejdl