Modern distributed information systems are gaining an increasing importance in our every day lives. As access to networked applications become omnipresent through PC’s, hand-held and wireless devices, more and more economical, social and cultural transactions are becoming dependent on the reliability and availability of distributed applications. As a consequence of the increasing demands placed...

Deploying critical services (e.g. VPN etc.) over the Internet X-domain topology requires to be able to guarantee end-to-end QoS. For this, and to guarantee privacy, Service Level Agreements (SLAs), also called QoS contracts, are committed pairwise between domains. If local QoS control issues inside on each participating domain can be considered solved, open problems persist in the eld of end-to...

This position paper describes work taking place in the DataMesh research project [Wilkes89, Wilkes91] on concurrent file systems. A concurrent file system exploits parallelism in its construction, while presenting an external image that is compatible with existing client:server interface definitions. The work is described in a number of stages: • the DataMesh hardware architecture is introduced...

In the past thirty years we have seen a wide range of studies on the physical modeling of musical instruments using the waveguide technique. We now have at our disposal sophisticated models encompassing a large array of musical instruments. While the waveguide technique is both efficient and allows for the creation of effective models, it remains dependent on the precise control of the paramete...

Genome sequences mutate and rearrange through the course of evolution. Genome rearrangement is an important and rich area of computational biology, and has many applications, including inferring phylogenetic trees. Some genome rearrangement problems, such as reversal distance [6], [1] and translocation distance [5], have been studied. Reversal distance, for example, measures the number of subst...

DRAFT This document is a preliminary draft. It has not been formally released by the U.S. Environmental Protection Agency and should not be construed to be Agency policy. It is being circulated for comments on its technical merit and policy implications. Do not release. Do not quote or cite. are thanked for their capable assistance in the final assembly and formatting of this research plan. Fol...

In this paper, we report on our past and continuing cxperiences in applying an AI generative planning system to the problem of generating crisis action operations plans in a military domain. ~ We describe the application, the System for Operational Crisis Action Planning (SOCAP). and the lessons we learned creating it. We also report on the applied research we performed to address the lessons l...

This paper presents a survey of actual conditions of use of standard indicators in a Japanese software development organization. This survey is conducted in order to investigate possible criteria for selecting and customizing standard indicators according to the context of each project. Based on results of the survey, a process tailoring support system that is mainly focusing to quantitative ma...

In the process of administering any appropriate intervention for any dis-ease the initial primary task is to accurately diagnose the problem. For physical complaints the diagnostic procedure is conducted by a physician using the methods of the physical sciences. Diagnosis of mental illness is more difficult because of the difference between mental and physical illness, and as I discussed in Cha...

The current proliferation of software process models provides flexibility for organizations to deal with the unavoidably wide variety of software project situations, cultures, and environments. But it weakens their defenses against some common sources of project failure, and leaves them with no common anchor points around which to plan and control. This article identifies three milestones -Life...