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SIGMOD
2004
ACM
160views Database» more  SIGMOD 2004»
16 years 6 months ago
Extending Query Rewriting Techniques for Fine-Grained Access Control
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...
Shariq Rizvi, Alberto O. Mendelzon, S. Sudarshan, ...
SIGMOD
2002
ACM
124views Database» more  SIGMOD 2002»
16 years 6 months ago
Middle-tier database caching for e-business
Scaling up to the enormous and growing Internet population with unpredictable usage patterns, Ecommerce applications face severe challenges in cost and manageability, especially f...
Qiong Luo, Sailesh Krishnamurthy, C. Mohan, Hamid ...
PODS
2006
ACM
122views Database» more  PODS 2006»
16 years 6 months ago
Space- and time-efficient deterministic algorithms for biased quantiles over data streams
Skew is prevalent in data streams, and should be taken into account by algorithms that analyze the data. The problem of finding "biased quantiles"-- that is, approximate...
Graham Cormode, Flip Korn, S. Muthukrishnan, Dives...
ICSE
2003
IEEE-ACM
16 years 6 months ago
On the Uniformity of Software Evolution Patterns
Preparations for Y2K reminded the software engineering community of the extent to which long-lived software systems are embedded in our daily environments. As systems are maintain...
Evelyn J. Barry, Chris F. Kemerer, Sandra Slaughte...
ICDE
2010
IEEE
171views Database» more  ICDE 2010»
16 years 6 months ago
Surrogate Ranking for Very Expensive Similarity Queries
1 We consider the problem of similarity search in applications where the cost of computing the similarity between two records is very expensive, and the similarity measure is not a...
Chris Jermaine, Fei Xu, Mingxi Wu, Ravi Jampani, T...