857 search results - page 49 / 172 » Efficient recursive XML query processing using relational da... |
142
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EDBT
2009
ACM
15 years 24 days ago
2009
ACM
In this work, we focus on managing scientific environmental data, which are measurement readings collected from wireless sensors. In environmental science applications, raw sensor...
138
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SIGMOD
2005
ACM
15 years 8 months ago
2005
ACM
One of the most powerful features of SQL is the use of nested queries. Most research work on the optimization of nested queries focuses on aggregate subqueries. However, the solut...
140
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TDM
2004
15 years 4 months ago
2004
This paper presents the advantages of combining multiple document representation schemes for query processing of XML queries on content and structure. We show how extending the Te...
202
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SIGMOD
2005
ACM
16 years 3 months ago
2005
ACM
A defining characteristic of continuous queries over on-line data streams, possibly bounded by sliding windows, is the potentially infinite and time-evolving nature of their input...
208
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ICDE
2007
IEEE
16 years 4 months ago
2007
IEEE
Text documents often embed data that is structured in nature. By processing a text database with information extraction systems, we can define a variety of structured "relati...