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» GenerIE: Information extraction using database queries
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GIS
2005
ACM
15 years 11 months ago
Monitoring dynamic spatial fields using responsive geosensor networks
Information about dynamic spatial fields, such as temperature, windspeed, or the concentration of gas pollutant in the air, is important for many environmental applications. At th...
Matt Duckham, Silvia Nittel, Michael F. Worboys
AAAI
2008
15 years 10 days ago
Minimal Contraction of Preference Relations
Changing preferences is very common in real life. The expressive power of the operations of preference change introduced so far in the literature is limited to adding new informat...
Denis Mindolin, Jan Chomicki
CRIWG
1997
14 years 11 months ago
CLASS: A Computer Platform for the Development of Education's Collaborative Applications
In spite of the important development that the Web has gone through in the last years, the field of education has not taken fully advantage of this development. Using this technol...
Luis A. Guerrero, David A. Fuller
KRDB
1994
81views Database» more  KRDB 1994»
14 years 11 months ago
Frames, Objects and Relations: Three Semantic Levels for Knowledge Base Systems
We propose an architecture for large-scale knowledge base systems based on database technologies and the three levels of semantic construct - frames, objects and relations. The in...
Moira C. Norrie, Ulrich Reimer, Peter Lippuner, Mi...
GIS
2010
ACM
14 years 8 months ago
Ontuition: intuitive data exploration via ontology navigation
We present Ontuition, a system for mapping ontologies. Transforming data to a usable format for Ontuition involves recognizing and resolving data values corresponding to concepts ...
Marco D. Adelfio, Michael D. Lieberman, Hanan Same...