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» Experimental evaluation of optimal CSMA
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WWW
2008
ACM
14 years 8 months ago
Supporting anonymous location queries in mobile environments with privacygrid
This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique...
Bhuvan Bamba, Ling Liu, Péter Pesti, Ting W...
WWW
2007
ACM
14 years 8 months ago
Efficient search in large textual collections with redundancy
Current web search engines focus on searching only the most recent snapshot of the web. In some cases, however, it would be desirable to search over collections that include many ...
Jiangong Zhang, Torsten Suel
SIGMOD
2007
ACM
179views Database» more  SIGMOD 2007»
14 years 7 months ago
How to barter bits for chronons: compression and bandwidth trade offs for database scans
Two trends are converging to make the CPU cost of a table scan a more important component of database performance. First, table scans are becoming a larger fraction of the query p...
Allison L. Holloway, Vijayshankar Raman, Garret Sw...
MIDDLEWARE
2007
Springer
14 years 1 months ago
A Utility-Aware Middleware Architecture for Decentralized Group Communication Applications
Abstract. The success of Internet telephony services like Skype illustrates the feasibility of utilizing unstructured Peer-to-Peer (P2P) networks as an economical platform for supp...
Jianjun Zhang, Ling Liu, Lakshmish Ramaswamy, Gong...
CASES
2006
ACM
14 years 1 months ago
Automated compile-time and run-time techniques to increase usable memory in MMU-less embedded systems
Random access memory (RAM) is tightly-constrained in many embedded systems. This is especially true for the least expensive, lowest-power embedded systems, such as sensor network ...
Lan S. Bai, Lei Yang, Robert P. Dick