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More and more companies are migrating applications to the cloud nowadays. It is important to develop a migration strategy to determine what applications should be migrated and in which order. In this paper, we research from the perspective of data exchange, define the cost of data exchange and build a comprehensive data exchange model, which takes the cost of data exchange and network delay into consideration...
To support the migration of software applications to the cloud environment, cloud venders have proposed different migration methodologies and guidelines. Yet, most of them require human intervention, involving manually performing repetitive tasks. This paper proposes a pattern-based transformation approach for cloud application migration. The approach automatically modifies the source code of an application...
As the consistency prediction of data view in information systems and actual data, data quality is of vital importance to decision making and the development of banking industry. In this paper, we firstly analyze the influence of data quality on the banking industry, and make researches on the current situation of banking industry data quality automated management. Then five evaluation dimensions...
Spelling errors of data entry is an important factor which influences banking data quality. Based on banking information system, we study non-word spelling errors occurring in the process of typing in with keyboard. The fingering of keyboarders and QWERTY international keyboard layout will be taken into account in the division of the letters. 26 letters will be divided into 5 types according to fingering...
IaaS is one of the basic service models in cloud computing, and virtual machine deployment is an important task in IaaS. In this paper, we study the problem of data transfer cost between VMs and data centers in cloud computing environment with multi clusters. We propose a measurement model which defines the traffic matrix and unit price matrix, while the optimization target is the total cost of data...
Finding the user-interested concepts of a large ontology is an important problem in Ontology analysis and reusing. A set of ranked concepts of an Ontology, which are ordered by the potential degree-of-interest, can help person find out the expected concepts, especially when the target Ontology is complex and large. In this paper we present a concept ranking algorithm for OWL (Web Ontology Language)...
The component service in Web service composition may fail or degrade in QoS thus needs to be replaced. In this paper, we propose a novel approach for services replacement of the composition. The target service could be replaced individually, or it could be replaced with its related services in the composition as a whole by a more complex service. In this way, far more choices will be available to...
A well arranged task priority in dual-shore collaborative software design phase will smooth the collaboration and reduces the potential coordination lag. However, it is really difficult to determine the priority when there are many collaboration tasks and the collaborative process is a little complicated. On the basis of behavior compatibility analysis using Petri-net, this paper proposed yet a new...
Verification of services compatibility is an important issue in Web Services composition. With the growing of grain size, services will become more complicated with internal business processes and will have interactions with other services while composition.This paper proposed a Petri Net based approach to analyze the Web Services interactive behaviors compatibility. First, the interacting services...
Across various domains, the ontologies are learned from relational models of databases for the purpose of integrating data to a semantic layer. Through mappings among ontologies, new semantic applications can visit these integrated data with semantic query language like SPARQL. However, the traditional systems are still running on databases with SQL. In this paper we analyze the translations from...
The authenticity of advertised QoS for Web services is of particular relevance during service discovery and selection. Reputation of a service is often used as a measure of its trustworthiness. Currently, reputation is usually computed from the users' feedbacks and represents a snapshot for the interactions in a past time slot. However, in an open environment, reputation is a volatile property, which...
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