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» An Algorithm for Computing Semi-stable Semantics
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EDBTW
2006
Springer
14 years 19 days ago
A Calculus for Propagating Semantic Annotations Through Scientific Workflow Queries
Scientific workflows facilitate automation, reuse, and reproducibility of scientific data management and analysis tasks. Scientific workflows are often modeled as dataflow networks...
Shawn Bowers, Bertram Ludäscher
NAACL
2003
13 years 10 months ago
Semantic Language Models for Topic Detection and Tracking
In this work, we present a new semantic language modeling approach to model news stories in the Topic Detection and Tracking (TDT) task. In the new approach, we build a unigram la...
Ramesh Nallapati
IJON
2006
78views more  IJON 2006»
13 years 9 months ago
Improving self-organization of document collections by semantic mapping
In text management tasks, the dimensionality reduction becomes necessary to computation and interpretability of the results generated by machine learning algorithms. This paper de...
Renato Fernandes Corrêa, Teresa Bernarda Lud...
EDBT
2009
ACM
102views Database» more  EDBT 2009»
14 years 3 months ago
On keys, foreign keys and nullable attributes in relational mapping systems
We consider the following scenario for a mapping system: given a source schema, a target schema, and a set of value correspondences between these two schemas, generate an executab...
Luca Cabibbo
APCCM
2009
13 years 10 months ago
Modeling Natural Language Communication in Database Semantics
Database Semantics (DBS) is a computational model of how communicating with natural language works. at a level of abstraction which may be applied to natural and artificial agents...
Roland Hausser