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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 ...
WSDM
2009
ACM
131views Data Mining» more  WSDM 2009»
16 years 1 months ago
Diversifying search results
We study the problem of answering ambiguous web queries in a setting where there exists a taxonomy of information, and that both queries and documents may belong to more than one ...
Rakesh Agrawal, Sreenivas Gollapudi, Alan Halverso...
ESA
2009
Springer
129views Algorithms» more  ESA 2009»
16 years 1 months ago
Dynamic vs. Oblivious Routing in Network Design
Consider the robust network design problem of finding a minimum cost network with enough capacity to route all traffic demand matrices in a given polytope. We investigate the impa...
Navin Goyal, Neil Olver, F. Bruce Shepherd
ICRA
2008
IEEE
115views Robotics» more  ICRA 2008»
16 years 29 days ago
The influence of DC electric drives on sizing quadruped robots
— In legged systems design an important question applies to: "What can be inferred from the performance of a legged robot of a similarly configured system, but scaled to a s...
Panagiotis Chatzakos, Evangelos Papadopoulos