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104
Voted
DEXA
2004
Springer
15 years 6 months ago
2004
Springer
Although many spatio-temporal conceptual models has been proposed in the last years, users must express their queries on the underlying physical data structures. In the context of ...
102
Voted
SSD
2009
Springer
15 years 5 months ago
2009
Springer
We introduce TOQL, a query language for querying time information in ontologies. TOQL is a high level query language that handles ontologies almost like relational databases. Queri...
119
Voted
WWW
2008
ACM
16 years 1 months ago
2008
ACM
In this paper, we propose a novel unsupervised approach to query segmentation, an important task in Web search. We use a generative query model to recover a query's underlyin...
108
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CC
2010
Springer
15 years 7 months ago
2010
Springer
Instead of writing SQL queries directly, programmers often prefer writing all their code in a general purpose programming language like Java and having their programs be automatica...
99
Voted
SAC
2008
ACM
15 years 5 days ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...