Providing scalable video services in a peer-to-peer (P2P) environment is challenging. Since videos are typically large and require high communication bandwidth for delivery, many ...
Continuous queries are persistent queries that allow users to receive new results when they become available. While continuous query systems can transform a passive web into an ac...
Jianjun Chen, David J. DeWitt, Feng Tian, Yuan Wan...
Many information resources on the web are relevant primarily to limited geographical communities. For instance, web sites containing information on restaurants, theaters, and apar...
This paper describes the design of a crawler devised to perform the periodic retrieval of Web documents for a search engine able to accept on-line updates in a concurrent manner. ...
Recent performance improvements in storage hardware have benefited bandwidth much more than latency. Among other implications, this trend favors large B-tree pages. Recent perform...