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Lecture Notes in Business Information Processing 2014年 191卷 187-201页

作者： Vinárek, Jirři Hnětynka, Petr Šimko, Viliam Kroha, Petr Institute for Program Structures and Data Organisation Karlsruhe Institute of Technology Karlsruhe Germany Department of Distributed and Dependable Systems Charles University in Prague Malostranske namesti 25 Prague Czech Republic

Requirements traceability is an extremely important aspect of software development and especially of maintenance. Efficient maintaining of traceability links between high-level requirements specification and low-level implementation is hindered by many problems. In this paper, we propose a method for automated recovery of links between parts of the textual requirement specification and the source code of implementation. The described method is based on a method allowing extraction of a prototype domain model from plain text requirements specification. The proposed method is evaluated on two non-trivial examples. The performed experiments show that our method is able to link requirements with source code with the accuracy of F1 = 58 - 61%. © Springer International Publishing Switzerland 2014.

关键词： Specifications

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Parallelizing an index generator for desktop search 10

Parallelizing an index generator for desktop search

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Proceedings of the 2010 international conference on Computer Architecture

作者： David J. Meder Walter F. Tichy Institute for Program Structures and Data Organization (IPD) University of Karlsruhe Karlsruhe Germany

ISBN: (纸本)9783642243219

Experience with the parallelization of an index generator for desktop search is presented. Several configurations of the index generator are compared on three different Intel platforms with 4, 8, and 32 cores. The optimal configurations for these platforms are not intuitive and are markedly different for the three platforms. For finding the optimal configuration, detailed measurements and experimentation were necessary. Several recommendations for parallel software design are derived from this study.

关键词： multicore parallelization parallel software design index generator

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Process-Based database Support for the Early Indicator Method 3

Process-Based Database Support for the Early Indicator Metho...

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3rd International Conference on Knowledge Discovery and data Mining, KDD 1997

作者： Breitner, Christoph Schlösser, Jörg Wirth, Rüdiger University of Karlsruhe Institute for Program Structures and Data Organization Karlsruhe76128 Germany Daimler-Benz AG Research and Technology F3S/E P. O. Box 23 60 UlmD-89013 Germany

ISBN: (纸本)1577350278

In Wirth & Reinartz (1996), we introduced the early indicator method, a multi-strategy approach for the efficient prediction of various aspects of the fault profile of a set of cars in a large automotive database. While successful, the initial implementation was limited in various ways. In this paper, we report recent progress focusing on performance gains we achieved through proper process-based database support. We show how intelligent management of the information collected during a KDD process can both make the task of the user easier and speed up the execution. The central idea is to use an object oriented schema as the central information directory to which data, knowledge, and processes can be attached. Furthermore, it enables the automatic exploitation of previously stored results. Together with the query-shipping strategy, this achieves efficiency and scalability in order to analyze huge databases. While we demonstrate the usefulness of our solution in the context of the early indicator method, the approach is generally applicable and useful for any integrated, comprehensive KDD system. Copyright © 1997, American Association for Artificial Intelligence (***). All rights reserved.

关键词： Query processing

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移动环境下基于网络的软件协作版本开发及配置系统的实现(英文)

移动环境下基于网络的软件协作版本开发及配置系统的实现(英文)

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第二十届全国数据库学术会议

作者： Philipp Obreiter Institute for Program Structures and Data Organisation University of Karlsruhe

As mobile devices become more wide spread,making available software for such devices is crucial for making use of their ***,due to the inherent constraints of mobile devices,it is highly non trivial to do *** for larger software projects,additional support for the development and deployment phase is required. Therefore,in this paper,we propose a system that provides such support,i.e.,the Software *** system's requirements result from the analysis of our project *** the one hand,the development of software components is based upon a version control *** the other hand,a web based interface facilitates the automated yet flexible deployment of software components to the respective mobile devices.

关键词： Software station Version controlled development Web based deployment Web services Mobile environment

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Ubiquitous access to deep content via web services

Ubiquitous access to deep content via web services

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International Conference on Web Engineering, ICWE 2003

作者： Kardkovács, Zsolt Tivadar Surányi, Gábor Mihály Budapest University of Technology and Economics Department of Telecommunications and Telematics Magyar tudósok körútja 2 BudapestH-1117 Hungary University of Karlsruhe Institute for Program Structures and Data Organization Am Fasanengarten 5 KarlsruheD-76128 Germany

ISBN: (纸本)9783540450689

Current research activities in the computer science area focus on integration of systems with diverse purposes and architecture. They include the usage of mobile devices just like any immobile computer and the efficient, combined presentation and utilisation of contents from multiple providers together on the web. Even though these two tasks are naturally tackled in different ways, in this paper we propose a single solution to both problems based on logic, which, furthermore, makes their seamless integration possible. That is, without scrapping the well known models that have proven good, we offer a scalable architecture that supports wireless access to the most valuable pieces of the Internet keeping parts of the existing infrastructure and with no duplication of functionality. © Springer-Verlag Berlin Heidelberg 2003.

关键词： Web services

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An unabridged source code dataset for research in software reuse

An unabridged source code dataset for research in software r...

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International Mining Software Repositories, MSR

作者： Werner Janjic Oliver Hummel Marcus Schumacher Colin Atkinson Software-Engineering Group University of Mannheim Germany Institute for Program Structures and Data Organization Karlsruhe Institute of Technology Germany

ISBN: (纸本)9781467329347

This paper describes a large, unabridged data-set of Java source code gathered and shared as part of the Merobase Component Finder project of the Software-Engineering Group at the university of Mannheim. It consists of the complete index used to drive the search engine, ***, the vast majority 1 of the source code modules accessible through it, and a tool that enables researchers to efficiently browse the collected data. We describe the techniques used to collect, format and store the data set, as well as the core capabilities of the Merobase search engine such as classic keyword-based, interface-based and test-driven search. This data-set, which represents one of the largest searchable collections of source and binary modules available online, has been recently made available for download and use in further research projects. All files are available at http://***/sources/.

关键词： Indexes Java Search engines Relational databases Containers Open source software

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Towards a common classification of changes for information and automated production systems as precondition for maintenance effort estimation

Towards a common classification of changes for information a...

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IEEE International Conference on Industrial Informatics (INDIN)

作者： Birgit Vogel-Heuser Thomas Simon Jens Folmer Robert Heinrich Kiana Rostami Ralf Reussner Institute of Automation and Information Systems Technical University of Munich Munich Germany Institute for Program Structures and Data Organization Karlsruhe Institute of Technologies Karlsruhe Germany

ISBN: (纸本)9781509028719

Both information and automated production systems (aPS) evolve during their lifetime, e.g. due to changes in requirements and infrastructure. In order to estimate maintenance effort in information systems the KAMP method is applied. This paper discusses the necessary classification of changes as a prerequisite to apply such a method. Aggravating aPS consist not only of software but also include mechanics and electric/automation hardware. Therefore, the classification has to be enlarged to a multi-disciplinary one. The limitations of this approach for aPS are discussed in detail and demonstrated using three scenarios of a lab size pick and place unit. The paper closes delivering first ideas to cope with these.

关键词： Software Hardware Maintenance engineering Computer architecture Voltage control Cranes Production systems

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Component-Based Software Engineering 1

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丛书名： Lecture Notes in Computer Science

1000年

作者： Lars Grunske Ralf Reussner Frantisek Plasil

ISBN: (数字)9783642132384

ISBN: (纸本)9783642132377

The 2010 Symposium on Component-Based Software Engineering (CBSE 2010) was the 13th in a series of successful events that have grown into the main forum for industrial and academic experts to discuss component technology. CBSE is concerned with the development of software-intensive systems from - dependently developed software-building blocks (components), the development of components, and system maintenance and improvement by means of com- nent replacement and customization. The aim of the conference is to promote a science and technology foundation for achieving predictable quality in software systems through the use of software component technology and its associated software engineering practices. In line with a broad interest, CBSE 2010 received 48 submissions. From these submissions, 14 were accepted after a careful peer-review process followed by an online program committee discussion. This resulted in an acceptance rate of 29%. The selected technical papers are published in this volume. For the fourth time, CBSE 2010 was held as part of the conference series: Fed- ated Events on Component-Based Software Engineering and Software Archit- ture (COMPARCH). The federated events were: the 13th International S- posium on Component-Based Software Engineering (CBSE 2010), the 6th - ternational Conference on the Quality of Software Architectures (QoSA 2010), andthe1stInternationalSymposium onArchitecting CriticalSystems(ISARCS 2010). Together with COMPARCH’s Industrial Experience Report Track and the co-located Workshop on Component-Oriented programming (WCOP 2010), COMPARCH provided a broad spectrum of events related to components and architectures.

关键词： Software Engineering/programming and Operating Systems Software Engineering Logics and Meanings of programs programming Languages, Compilers, Interpreters Computer Communication Networks programming Techniques

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Addendum to “Delta Algorithms: An Empirical Analysis”

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ACM Transactions on Software Engineering and Methodology 1998年第4期7卷 449-449页

作者： Hunt, James. J. Tichy, Walter F. Institute for Program Structures and Data Organization University of Karlsruhe Karlsruhe Am Fasanengarten 4 D-76128 Germany

The authors supply machine configurations for experiments reported in “Delta Algorithms: An Empirical Analysis,” by Hunt et al. (ACM Trans. Softw. Eng. Methodol. 7, 2 (Apr. 1998), pp. 192-214). © 1998, ACM. All... 详细信息

关键词： Algorithms Benchmark delta encoding differencing Experimentation Measurement Performance

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Tackling Compliance Deficits of data-Protection Law with User Collaboration - A Feasibility Demonstration with Human Participants

Tackling Compliance Deficits of Data-Protection Law with Use...

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IEEE International Conference on E-Commerce Technology Workshops

作者： Thorben Burghardt Erik Buchmann Klemens Böhm Jürgen Kühling Simon Bohnen Anastasios Sivridis Institute for Program Structures and Data Organization Karlsruhe Institute of Technology (KIT) Karlsruhe Germany Chair for Public Law and Real Estate Law University of Regensburg Regensburg Germany

In the recent past, there have been frequent reports on privacy violations by service providers on the Web. The providers are overstrained with the legal implications of processing personal data. data-protection authorities in turn are overburdened with the enforcement of the regulations. Users themselves typically cannot identify those violations, due to missing expertise in data-protection law. In this paper we propose and evaluate CAPE (Collaborative Access to Privacy Enhancement), an approach that makes data-protection law accessible to all parties involved in the processing of personal information. To this end, we transform legal expertise on data protection into intuitive questions that anyone can answer. CAPE is 'Web 2.0', in the sense that individuals answer the questions they can, and they benefit from the answers of others. To identify violations, we compare the answers to answer patterns defined apriori that indicate a violation. The main innovation is the combination of Web 2.0 functionality with the structured approach (sequences of closed questions in particular) lawyers use to identify violations. In extensive user studies, we show that users can identify 81% of those violations legal experts find. Further, individuals answer our questions with a high degree of agreement, independent from their background knowledge.

关键词： Law Privacy Taxonomy Communities Internet data privacy

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