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With XML rapidly gaining popularity as the standard for data exchange on the World Wide Web,a variety of XML management systems (XMLMS) are becoming available. The choice of an XMLMS is made difficult by the significant difference in the expressive power of the queries and the performance shown by these XMLMS. Most XMLMS are legacy systems (mostly relational) extended to load,query,and publish data...
The need to analyze huge amount of data for various business intelligence applications is well known. However, the rate at which enterprise data is generated now demands periodic migration of older data from the operational data warehouse to magnetic tapes. In this paper, we propose an "Active data archival service" in which the data is seamlessly archived on the cloud while ensuring that...
Businesses are increasingly realizing the value of creating a {\it single view} of its customers and partners by integrating information residing in 'siloed' datasets within and outside the enterprise. However, the task of {\it augmenting} data available within the enterprise with data purchased from third-party providers or that residing in a public domain such as Web often results in warehouses...
Traffic management has been a major concern for cities around the world. However, despite traffic problems having a widespread impact in any city, alleviating it has primarily remained the city administrations concern. We argue that sustainable traffic management requires the creation of a services-based ecosystem mediated by city administration but open to businesses and citizens to contribute and...
In this paper we describe two optimization techniques that are specially tailored for information gathering. The first is a greedy minimization algorithm that minimizes an information gathering plan by removing redundant and overlapping information sources without loss of completeness. We then discuss a set of heuristics that guide the greedy minimization algorithm so as to remove costlier information...
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