861 search results - page 60 / 173 » Relational Completeness of Query Languages for Annotated Dat... |
ESOP
2008
Springer
14 years 11 months ago
2008
Springer
Abstract. XML database query languages such as XQuery employ regular expression types with structural subtyping. Subtyping systems typically have two presentations, which should be...
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
A common criticism of database systems is that they are hard to query for users uncomfortable with a formal query language. To address this problem, form-based interfaces and keyw...
SIGMOD
2003
ACM
15 years 10 months ago
2003
ACM
We provide a concise yet complete formal definition of the semantics of XPath 1 and summarize efficient algorithms for processing queries in this language. Our presentation is int...
WWW
2008
ACM
15 years 10 months ago
2008
ACM
Local aspects of Web search -- associating Web content and queries with geography -- is a topic of growing interest. However, the underlying question of how spatial variation is m...
CORR
2000
Springer
14 years 9 months ago
2000
Springer
We describe a formal model for annotating linguistic artifacts, from which we derive an application programming interface (API) to a tools for manipulating these annotations. The ...