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Price impact models are important for devising trade execution strategies. However, a proper characterization of price impacts is still lacking. This study models the price impact using an agent-based modeling approach. The purpose of this paper is to investigate whether agent intelligence is a necessary condition when seeking to construct realistic price impact with an artificial market simulation...
As the application fields of spatial information system continue to expand, different sectors in different fields are in desperate need of spatial data sharing to reduce the expenses of spatial data acquisition and to enhance its utilized efficiency. And spatial data interoperability is an effective approach to solve this problem. The present paper proposes a grid collaborative model for spatial data...
PHP is one of the leading Web development languages, however, the development model of existing PHP organizes without a structure, which mixes the code of data access, the processing of business logic , and Web presentation layer together, as a relult, it brought about many problems in the Web applications , meanwhile, it could not meet the rapid development of Web apply any more. In this paper, a...
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