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101
Voted
ACMSE
2005
ACM
15 years 6 months ago
2005
ACM
A simple extension to the relational model that permits metadata (more generally metaknowledge) to be stored and manipulated as first class data is proposed. The accompanying que...
79
Voted
SIGIR
2006
ACM
15 years 6 months ago
2006
ACM
We hypothesized that language modeling retrieval would improve if we reduced the need for document smoothing to provide an inverse document frequency (IDF) like effect. We create...
FQAS
2004
Springer
15 years 6 months ago
2004
Springer
This paper concerns the motivation for and subsequently the analysis of proposed additions, in the form of new operators, to a concept language Ontolog for use in querying a conten...
176
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SIGMOD
2008
ACM
16 years 25 days ago
2008
ACM
Today's enterprise databases are large and complex, often relating hundreds of entities. Enabling ordinary users to query such databases and derive value from them has been o...
98
Voted
PODS
2007
ACM
16 years 25 days ago
2007
ACM
Variables are the distinguishing new feature of XPath 2.0 which permits to select n-tuples of nodes in trees. It is known that the Core of XPath 2.0 captures n-ary first-order (FO...