522 search results - page 81 / 105 » Answering Aggregation Queries in a Secure System Model |
SSDBM
2000
IEEE
15 years 2 months ago
2000
IEEE
In implementations of non-standard database systems, large objects are often embedded within an aggregate of different types, i.e. a tuple. For a given size and access probabilit...
PODS
2005
ACM
15 years 10 months ago
2005
ACM
We consider a scenario where we want to query a large dataset that is stored in external memory and does not fit into main memory. The most constrained resources in such a situati...
WWW
2008
ACM
15 years 10 months ago
2008
ACM
The paper is concerned with the problem of question recommendation. Specifically, given a question as query, we are to retrieve and rank other questions according to their likelih...
EMNLP
2008
14 years 11 months ago
2008
Most Web-based Q/A systems work by finding pages that contain an explicit answer to a question. These systems are helpless if the answer has to be inferred from multiple sentences...
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DILS
2006
Springer
15 years 1 months ago
2006
Springer
Scientific experiments are becoming increasingly large and complex, with a commensurate increase in the amount and complexity of data generated. Data, both intermediate and final r...