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» The Query Answering System PRODICOS
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KSEM
2010
Springer
13 years 8 months ago
Towards Scalable Instance Retrieval over Ontologies
In this paper, we consider the problem of query answering over large multimedia ontologies. Traditional reasoning systems may have problems to deal with large amounts of expressive...
Alissa Kaplunova, Ralf Möller, Sebastian Wand...
INTERACT
2003
13 years 11 months ago
What Makes a Good Answer? The Role of Context in Question Answering
: Question answering systems have proven to be helpful to users because they can provide succinct answers that do not require users to wade through a large number of documents. How...
Jimmy J. Lin, Dennis Quan, Vineet Sinha, Karun Bak...
WWW
2006
ACM
14 years 10 months ago
Optimizing scoring functions and indexes for proximity search in type-annotated corpora
We introduce a new, powerful class of text proximity queries: find an instance of a given "answer type" (person, place, distance) near "selector" tokens matchi...
Soumen Chakrabarti, Kriti Puniyani, Sujatha Das
RR
2009
Springer
14 years 4 months ago
A Minimal Deductive System for General Fuzzy RDF
Abstract. It is well-knwon that crisp RDF is not suitable to represent vague information. Fuzzy RDF variants are emerging to overcome to this limitations. In this work we provide, ...
Umberto Straccia
SIGMOD
2010
ACM
170views Database» more  SIGMOD 2010»
14 years 2 months ago
Querying data provenance
Many advanced data management operations (e.g., incremental maintenance, trust assessment, debugging schema mappings, keyword search over databases, or query answering in probabil...
Grigoris Karvounarakis, Zachary G. Ives, Val Tanne...