522 search results - page 81 / 105 » Answering Aggregation Queries in a Secure System Model |
SSDBM
2000
IEEE
13 years 12 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
14 years 7 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
14 years 8 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
13 years 9 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...
DILS
2006
Springer
13 years 11 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...