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With the explosion in the amount of semi-structured data users access and store in personal information management systems, there is a need for complex search tools to retrieve often very heterogeneous data in a simple and efficient way. Existing tools usually index text content, allowing for some IR-style ranking on the textual part of the query, but only(More)
With the explosion in the amount of semi-structured data users access and store, there is a need for complex search tools to retrieve often very heterogeneous data in a simple and efficient way. Existing tools usually index text content, allowing for some IR-style ranking on the textual part of the query, but only consider structure (e.g., file directory)(More)
The relentless growth in capacity and dropping price of storage are driving an explosion in the amount of information users are collecting and storing in personal information management systems. This explosion of information has led to a critical need for complex search tools to access often very heterogeneous data in a simple and efficient manner. Such(More)
With the explosion in the amount of semistructured data users access and store in personal information management systems, there is a critical need for powerful search tools to retrieve often very heterogeneous data in a simple and efficient way. Existing tools typically support some IR-style ranking on the textual part of the query, but only consider(More)
User data stored in personal information systems is growing massively. Simultaneously, this data is increasingly distributed across multiple organizational domains such as email, music databases, and photo albums, some of which are structured automatically by applications. Powerful search tools are needed to help users locate data in these expanding yet(More)
The general target of request scheduling is to maximize throughput and minimize response time under the condition that existing system resource is in full use. But for a busy business Web system with the goal of revenue generation, it is crucial to increase the completion rate of transaction related requests and requests from VIP. Aiming at the(More)
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