18875168
Towards Autonomous Service Level Agreement Negotiation for Adaptive Service Composition
This paper reports innovative research aiming at supporting autonomous establishment and maintenance of service level agreements in order to guarantee end-to-end quality of service requirements for service composition provision. In this research, a set of interrelated service level agreements is established and maintained for a service composition, through autonomous agent negotiation. To enable this, an innovative framework is proposed in which agents on behalf of the service requestor and the service providers can negotiate service level agreements in a coordinated way. This framework also enables adaptive service level agreement re-negotiation in the dynamic and ever-changing service environment
4914234
SwinDeW-S: extending P2P workflow systems for adaptive composite Web services
SwinDeW, an innovative decentralised workflow management system, has established an underlying framework for peer-to-peer (P2P) based business process coordination environments. SwinDeW-S extends SwinDeW to support adaptive composite service orchestration in the era of service-oriented computing. This paper comprehensively presents features of SwinDeW-S, including the P2P network establishment, the messaging mechanism, the service deployment and enactment, the service discovery and advertisement, and the service flow execution. The prototypical extension of SwinDeW to SwinDeW-S and the advantages of SwinDeW-S are also examined and analysed. With the innovative integration of service and P2P-based enterprise application techniques, SwinDeW-S can support composite service orchestration, deployment and execution.
15940423
k-Path Partitions in Trees
For a fixed positive integer k, the k-path partition problem is to partition the vertex set of a graph into the smallest number of paths such that each path has at most k vertices. The 2-path partition problem is equivalent to the edge-cover problem. This paper presents a linear-time algorithm for the k-path partition problem in trees. The algorithm is applicable to the problem of finding the minimum number of message originators necessary to broadcast a message to all vertices in a tree network in one or two time units.
34419420
A Semantic Analyzer for Aiding Emotion Recognition in Chinese
1380525
Towards a force-reflecting motion-scale system for microsurgery
This paper presents design aspects of a force-reflecting, motion-scaling teleoperation system for use in microsurgery experiments. A coarse-macro-micro approach is proposed. Two magnetically levitated wrists-a macro-master and a micro-slave-would share a common base positioned at the surgical site by a coarse-motion transport robot. The discussion includes features of the proposed system, a detailed slave wrist description, and aspects of coordination and control for the multistage teleoperation.<<ETX>>
7957934
A systematic classification of cheating in online games
Cheating is rampant in current game play on the Internet. However, it is not as well understood as one might expect. In this paper, we summarize the various known methods of cheating, and we define a taxonomy of online game cheating with respect to the underlying vulnerability (what is exploited?), consequence (what type of failure can be achieved?) and the cheating principal (who is cheating?). This taxonomy provides a systematic introduction to the characteristics of cheats in online games and how they can arise. It is intended to be comprehensible and useful not only to security specialists, but also to game developers, operators and players who are less knowledgeable and experienced in security. One of our findings is that although cheating in online games is largely due to various security failures, the four traditional aspects of security -- confidentiality, integrity, availability and authenticity -- are insufficient to explain it. Instead, fairness becomes a vital additional aspect, and its enforcement provides a convincing perspective for understanding the role of security techniques in developing and operating online games.
7363256
Towards flapping wing control for a micromechanical flying insect
Considers a 2 DOF resonant thorax structure signed and fabricated for the MFI project. Miniature piezoelectric PZN-PT unimorph actuators were fabricated and used to drive a four-bar transmission mechanism. The current thorax design utilizes two actuated four-bars and a spherical joint to drive a rigid wing. Rotationally compliant flexure joints have been tested with lifetimes over 10/sup 6/ cycles. Wing spars were instrumented with strain gauges for force measurement and closed-loop wing control.