Conductance of fully equilibrated quantum wires (2009)
Rech, J., Micklitz, T., Matveev, K. A.
We study the conductance of a quantum wire in the presence of weak electron-electron scattering. In a sufficiently long wire the scattering leads to full equilibration of the electron distribution...
Students have to cope with new technologies, changing environments, and conflicting changes in capstone projects. They often lack practical experience, which might lead to failing to achieve a...
Electronic transport in inhomogeneous quantum wires (2008)
We study the transport properties of a long non-uniform quantum wire where the electron-electron interactions and the density vary smoothly at large length scales. We show that these inhomogeneities...
Students have to cope with new technologies, changing environments, and conflicting changes in capstone projects. They often lack practical experience, which might lead to failing to achieve a...
Collaborative authoring of learning elements for adaptive learning spaces (2008)
The Software Organization Platform (SOP) intends to support specific software engineering activities such as experience management, requirements engineering, or project management. Wiki pages can be...
Surface integrity on hardened steel parts produced by hybrid machining sequences (2008)
Purpose: Of this paper is the investigation of surface integrity generated in hard turning and subsequent finishabrasive machining. The primary reason for undertaking this problem was insufficient...
Resistivity of inhomogeneous quantum wires (2007)
We study the effect of electron-electron interactions on the transport in an inhomogeneous quantum wire. We show that contrary to the well-known Luttinger liquid result, non-uniform interactions...
BROSSE , Alexandre, F. Valiorgue, H. Hamdi, J. Rech, J-M. Bergheau
Les sollicitations thermomécaniques locales et les changements métallurgiques sont les principaux phénomènes à l'origine de l'apparition des contraintes résiduelles induites par les opérations...
Site-centered impurities in quantum spin chains (2007)
The magnetic behavior of antiferromagnetic spin 1/2 chains with site-centered impurities in a magnetic field is investigated. The effect of impurities is implemented by considering different...
Scaling approach to itinerant quantum critical points (2007)
Pepin, C., Rech, J., Ramazashvili, R.
Based on phase space arguments, we develop a simple approach to metallic quantum critical points, designed to study the problem without integrating the fermions out of the partition function. The...
Wiki-based stakeholder participation in requirements engineering (2007)
Decker, B., Ras, E., Rech, J., Jaubert, P., Rieth, M.
Requirements elicitation and documentation are complex activities. The quality of their products can improve through stakeholders' participation, particularly in projects with high uncertainty....
Developing human-engineered systems is considered as a challenge that addresses a wide area of expertise - computer scientists as well as social scientists. These experts have to work together...
Lernräume für erfahrungsbasiertes Lernen mit Wiki-Systemen im Software Engineering (2007)
Es gibt verschiedene Ansätze, wie man einen Teil des Erfahrungswissens explizit beschreiben (externalisieren) kann. Trotzdem können diese dokumentierten Erfahrungen Fremder nur selten für eigene...
Im Bereich des Software Engineering existieren für alle Phasen der Softwareentwicklung bewährte Verfahren zur Verbesserung der Softwarequalität, wie z. B. Softwareinspektionen, Softwareanalysen,...
Seit der Erkenntnis, dass die Entwickler eines Softwaresystems von Anfang an für die späteren Phasen des Lebenszyklus' nach der Auslieferung verantwortlich sind, wird sich immer stärker mit den...
The quality of knowledge: Knowledge patterns and knowledge refactorings (2007)
Rech, J., Decker, B., Ras, E., Jedlitschka, A., Feldmann, R.L.
Knowledge management is a relatively young discipline. Nevertheless, it has accumulated a valuable body-of-knowledge in the structuring of knowledge and in the design of socio-technical knowledge...
Intelligent assistance in german software development: A survey (2007)
Researchers have studied and created a wide range of techniques to support software engineers during development. This article reports on the results of a survey of 135 participants that was...
Using Wikis to tackle reuse in software projects (2007)
Rech, J., Bogner, C., Haas, V.
An enhanced wiki-centered framework acts as a knowledge-sharing platform for software development teams in small and medium-sized software enterprises.
Experience management wikis for reflective practice in software capstone projects (2007)
Ras, E., Carbon, R., Decker, B., Rech, J.
Software engineering curriculum guidelines state that students should practice methods, techniques, and tools. A capstone project is one possibility to address this aim. A capstone project helps the...
Systematische Aggregation von Erfahrungen im Erfahrungsmanagement (2007)
Im Bereich Software Engineering werden Erfahrungsmanagement-Systeme wie Experience Factories schon seit langem dazu verwendet, Erfahrungen aus Softwareprojekten zu speichern und zu verwalten. Viele...
Experience management Wikis for reflective practice in software capstone projects (2007)
Ras, E., Carbon, R., Decker, B., Rech, J.
Software Engineering curriculum guidelines state that students should practice methods, techniques, and tools. A capstone project is one possibility to address this aim. A capstone project helps the...
Quality defect diagnosis in model-driven software development: VIDE deliverable D.4.2 (2007)
Rech, J., Spriestersbach, A., Schmitt, M.
To support the modeler of a PIM during his work, information about possible threats to the quality (in respect to ISO 9126) of the PIM should be identified as early as possible. In this work package...
Quality defect diagnosis in model-driven software development: VIDE deliverable D.4.2 (2007)
Rech, J., Spriestersbach, A., Schmitt, M.
To support the modeler of a PIM during his work, information about possible threats to the quality (in respect to ISO 9126) of the PIM should be identified as early as possible. In this work package...
The use of thin hard coatings in cutting applications has become almost systematic. The paper summarises and discusses the use of various physical and mechanical tests to obtain a general...
The use of thin hard coatings in cutting applications has become almost systematic. The paper summarises and discusses the use of various physical and mechanical tests to obtain a general...
Rech, J., Pepin, C., Chubukov, A. V.
We consider the problem of fermions interacting with gapless long-wavelength collective bosonic modes. The theory describes, among other cases, a ferromagnetic quantum-critical point (QCP) and a QCP...
Intelligente Assistenz in der Softwareentwicklung 2006. Zusammenfassung der Ergebnisse (2006)
Die Entwicklung von Software ist eine komplexe und wissensintensive Aufgabe, bei der viele Informationen durch die Mitarbeiter recherchiert, generiert und weitergegeben werden. Informationen über...
RISE - Reuse im Software Engineering. Schlussbericht des Fraunhofer IESE zum Projekt RISE (2006)
Ziel des Projektes RISE (Reuse in Software Engineering) war die Entwicklung einer integrierten Lösung für die Wiederverwendung (Reuse) im Bereich Software Engineering. Dabei war das Hauptziel die...
A semantics-based evidence portal for learning software organizations (2006)
Jedlitschka, A., Rech, J., Pfahl, D.
The amount of methods, techniques, and tools in software engineering is increasingly growing. In order to keep track of the progress of these technologies and methodologies, a software engineering...
Wiki-based stakeholder participation in requirements engineering (2006)
Decker, B., Ras, E., Rech, J., Jaubert, P., Rieth, M.
In projects with a high uncertainty, the participation of stakeholders has a positive effect on the quality of requirements. Particularly in distributed environments, a platform is needed for the...
Intelligente Assistenz in der Softwareentwicklung 2006. Zusammenfassung der Ergebnisse (2006)
Die Entwicklung von Software ist eine komplexe und wissensintensive Aufgabe, bei der viele Informationen durch die Mitarbeiter recherchiert, generiert und weitergegeben werden. Informationen über...
Workplace Learning in Reuse-Oriented Software Engineering (2006)
Today, reuse-oriented software engineering covers the process of the development and evolution of software systems by reusing existing experience (i.e., products, processes, and knowledge). One of...
RISE - Reuse im Software Engineering. Schlussbericht des Fraunhofer IESE zum Projekt RISE (2006)
Ziel des Projektes RISE (Reuse in Software Engineering) war die Entwicklung einer integrierten Lösung für die Wiederverwendung (Reuse) im Bereich Software Engineering. Dabei war das Hauptziel die...
Lernräume für erfahrungsbasiertes Lernen mit Wiki-Systemen im Software Engineering (2006)
Es gibt verschiedene Ansätze, wie man einen Teil des Erfahrungswissens explizit beschreiben (externalisieren) kann. Trotzdem können diese dokumentierten Erfahrungen Fremder nur selten für eigene...
Wiki stakeholder involvement in requirements engineering (2006)
Decker, B., Ras, E., Rech, J., Jaubert, P., Rieth, M.
Stakeholder involvement - particularly in distributed environments - needs a platform for the effective, efficient, and collaborative creation of requirements. As the well-known example Wikipedia...
A semantics-based evidence portal for learning software organizations (2006)
Jedlitschka, A., Rech, J., Pfahl, D.
The amount of methods, techniques, and tools in software engineering is increasingly growing. In order to keep track of the progress of these technologies and methodologies, a software engineering...
Intelligent information systems for knowledge work(ers) (2006)
Decker, B., Hanft, A., Mänz, J., Newo, R., Nick, M., ...
Our society needs and expects more high-value services. Such "knowledge-intensive" services can only be delivered if the necessary organizational and technical requirements are fulfilled. In...
Learning in software engineering reuse (2006)
Today, reuse-oriented software engineering covers the process of the development and evolution of software systems by reusing existing software artifacts, processes, and knowledge. One of the major...
A service-oriented, extensible architecture for information retrieval (2006)
Wenzler, A., Feldmann, R.L., Rech, J.
Time and information became the most precious resources in today's business. One problem for knowledge workers is the information overload, making it harder to find the right information on demand....
Schwinger Boson approach to the fully screened Kondo model (2005)
Rech, J., Coleman, P., Zarand, G., Parcollet, O.
We apply the Schwinger boson scheme to the fully screened Kondo model and generalize the method to include antiferromagnetic interactions between ions. Our approach captures the Kondo crossover from...
Sum Rules and Ward Identities in the Kondo Lattice (2005)
Coleman, P., Paul, I., Rech, J.
We derive a generalized Luttinger-Ward expression for the Free energy of a many body system involving a constrained Hilbert space. In the large $N$ limit, we are able to explicity write the entropy...
FACHINELLI,A.C., MATTIA,O.M., RECH,J.
Trabalho apresentado no NP05 - Relações Publicas e Comunicação Organizacional durante o XXVIII Congresso Brasileiro de Ciências da Comunicação, Rio de Janeiro, RJ, 05-09,setembro,2005.
Fraunhofer IESE best practice portal. Scenarios & schemes (2005)
In today's software development organizations, methods and tools are employed that frequently lack sufficient evidence regarding their suitability, limits, qualities, costs, and associated...
Heutzutage haben große Softwaresysteme einen Grad an Kompliziertheit erreicht, der sie über unserer Fähigkeit stellt, sie schnell und einfach zu entwickeln oder zu pflegen. Dies erhöht die...
Lizenzen schützen die Rechte der Entwickler an Ihrer Arbeit und sollen Sie vor Angriffen anderer schützen. Heutzutage existieren mehrere dutzend Lizenztypen im Open-Source Bereich welche die...
Using Wikis to manage use cases: Experience and outlook. Full Conference Paper (2005)
Decker, B., Ras, E., Rech, J., Klein, B., Höcht, C.
Sound requirements engineering is one of the key practices for a successful software project. However, the risk exists that requirements documents degenerate into a write-only documentation that does...
RISE - Reuse im Software Engineering. Evaluationsmethodik der Kontextermittlung (2005)
Rech, J., Ras, E., Decker, B., Höcht, C., Kilian, L.
Das Projekt RISE beschäftigt sich mit der Wiederverwendung (Reuse) im Bereich Software Engineering. Dieser Report dient dazu, die Methodik zu beschreiben mit welcher der Kontext (d.h. der...
Fraunhofer IESE best practice portal. Scenarios & schemes (2005)
In today's software development organizations, methods and tools are employed that frequently lack sufficient evidence regarding their suitability, limits, qualities, costs, and associated risks. In...
Heutzutage haben große Softwaresysteme einen Grad an Kompliziertheit erreicht, der sie über unserer Fähigkeit stellt, sie schnell und einfach zu entwickeln oder zu pflegen. Dies erhöht die...
Lizenzen schützen die Rechte der Entwickler an Ihrer Arbeit und sollen Sie vor Angriffen anderer schützen. Heutzutage existieren mehrere dutzend Lizenztypen im Open-Source Bereich welche die...
eParticipative Process Learning - Process-oriented Experience Management and Conflict Solving (2005)
A framework for agile reuse in software engineering using wiki technology (2005)
Decker, B., Ras, E., Rech, J., Klein, B., Reuschling, C., Höcht, C., ...
The development of software is often accompanied by poor documentation of experiences, decisions, or architectural information. Reuse of experiences and knowledge, using the lightweight...
Using Wikis to manage use cases: Experience and outlook. Full Conference Paper (2005)
Decker, B., Ras, E., Rech, J., Klein, B., Höcht, C.
Sound requirements engineering is one of the key practices for a successful software project. However, the risk exists that requirements documents degenerate into a write-only documentation that does...
Self-organized reuse of software engineering knowledge supported by semantic wikis (2005)
Decker, B., Ras, E., Rech, J., Klein, B., Höcht, C.
Self-organized reuse of artifacts from software and system development, using the lightweight Wiki-Technology, promises a sustainable preservation and availability of business-critical information....
Using Wikis to manage use cases: Experience and outlook (2005)
Decker, B., Ras, E., Rech, J., Klein, B., Höcht, C.
A sound Requirements Engineering is one of the key practices for a successful software project. However, there is the risk that requirements documents degenerate to a write-only documentation that...
RISE - Reuse im Software Engineering. Evaluationsmethodik der Kontextermittlung (2005)
Rech, J., Ras, E., Decker, B., Höcht, C., Kilian, L.
Das Projekt RISE beschäftigt sich mit der Wiederverwendung (Reuse) im Bereich Software Engineering. Dieser Report dient dazu, die Methodik zu beschreiben mit welcher der Kontext (d.h. der...
Decker, B., Hanft, A., Mänz, J., Nick, M., Rech, J., ...
Preprocessing of object-oriented source code for code retrieval (2005)
Object oriented source code occurs in diverse programming languages with documentation using miscellaneous standards, comments in individual styles, or associated test cases that are hard to exploit...
COWA-Extractor: Ein Plugin basierter Versionierungssystem-Browser (2005)
Im heutigen Leben steigt die Zahl der Aufgaben, die der Computer für die Menschen erledigt, drastisch an. Aus diesem Grund nimmt die Bedeutung der Software im beruflichen aber auch im privaten Leben...
CodeSonar: Ein Plugin-basierter Regelinferierender Code-Browser (2005)
Die Qualität von Softwareprodukten gewinnt immer mehr an Bedeutung. Doch wie erhält man ein qualitatives Produkt und vor allem wie kann man die Qualität messen? Um die Softwarequalität zu...
Abschlussbericht indiGo (2004)
Rech, J., Decker, B., Klotz, A., Leopold, E., Voss, A.
Ziel des Projektes indiGo war die Entwicklung einer integrierten Lösung für prozessorientiertes Wissensmanagement in Software Engineering Umgebungen. Dadurch wird die verteilte und kollaborative...
Improving software quality through refactoring by means of didactical augmented experience (2004)
Rech, J., Ras, E., Jedlitschka, A.
In agile software development refactoring is an important phase for the continuous improvement of software quality. Unfortunately, the application of refactorings is very subjective and heavily based...
A framework for agile reuse in software engineering using wiki technology (2004)
Decker, B., Ras, E., Rech, J., Klein, B., Reuschling, C., Höcht, C., ...
The development of software is often accompanied by poor documentation of experiences, decisions, or architectural information. Reuse of experiences and knowledge, using the lightweight...
Experience-based refactoring for goal-oriented software quality improvement (2004)
In agile software development refactoring is an important phase for the continuous improvement of software quality. Unfortunately, the application of refactorings is very subjective and heavily based...
Abschlussbericht indiGo (2004)
Rech, J., Decker, B., Klotz, A., Leopold, E., Voss, A.
Ziel des Projektes indiGo war die Entwicklung einer integrierten Lösung für prozessorientiertes Wissensmanagement in Software Engineering Umgebungen. Dadurch wird die verteilte und kollaborative...
eParticipative process learning. Process-oriented experience management and conflict solving (2004)
Decker, B., Rech, J., Klotz, A., Leopold, E., Voss, A.
The indiGo project offers a solution for tackling resistance against and problems while executing process models: eParticipative Process Learning. Via moderated, web-based discussions, consensus...
Rech, J., Decker, B., Becker-Kornstaedt, U., Klotz, A., Leopold, E., ...
In organizations the quality of processes and their models is of utmost importance for the quality of the products developed. Nevertheless, many organizations neglect these processes and leave the...
Towards knowledge discovery in software repositories to support refactoring (2004)
Software repositories are typically used to store code together with additional information. These repositories are a valuable source to train knowledge discovery algorithms to detect code smells and...
Artificial intelligence and software engineering: Status and future trends (2004)
The disciplines of Artificial Intelligence and Software Engineering have many commonalities. Both deal with modeling real world objects from the real world like business processes, expert knowledge,...
Diese Studienarbeit stellt das Konzept und die Realisierung eines für das Fraunhofer IESE eigens entworfene Business-Area-Informationssystems vor. Ziel der Realisierung war es, den...
Participative process introduction: Three case studies from the indiGo project (2004)
Decker, B., Rech, J., Klotz, A., Leopold, E., Voss, A.
In software engineering, the quality of development and business processes and their models is of utmost importance for (a) the quality of the software products developed and (b) the operational...
Experience-based refactoring for goal-oriented software quality improvement (2004)
In agile software development refactoring is an important phase for the con-tinuous improvement of software quality. Unfortunately, the application of refactorings is very subjective and heavily...
Improving software quality through refactoring by means of didactical augmented experience (2004)
Rech, J., Ras, E., Jedlitschka, A.
In agile software development refactoring is an important phase for the con-tinuous improvement of software quality. Unfortunately, the application of refactorings is very subjective and heavily...
Rech, J., Decker, B., Klotz, A., Leopold, E., Voss, A.
Up-to-date and used business processes are of utmost importance for organizations to keep in touch with rapid changing market demands. Nevertheless, many organizations neglect these processes and...
Participative process introduction: A case study in the indiGo project (2003)
Decker, B., Rech, J., Klotz, A., Leopold, E., Voss, A.
In software engineering, the quality of development and business processes and their models is of utmost importance for (a) the quality of the software products developed and (b) the operational...
Barrieren und Anreizsysteme im Wissensmanagement und der Software-Wiederverwendung (2003)
In dieser Studienarbeit werden technische, organisatorische und personale Barrieren vorgestellt, die einem Erfolg von Wissensmanagement-Initiativen entgegenstehen. Anschließend werden materielle und...
A case-study about participative process introduction in the indiGo project (2003)
Decker, B., Rech, J., Klotz, A., Leopold, E., Voss, A.
In software engineering, the quality of processes and their models is of utmost importance for the quality of the software products developed. Nevertheless, many organizations neglect these processes...
Rech, J., Decker, B., Klotz, A., Leopold, E., Voss, A.
Up-to-date and used business processes are of utmost importance for organizations to keep in touch with rapid changing market demands. Nevertheless, many organizations neglect these processes and...
Scaling approach to itinerant quantum critical points (2002)
Pepin, C., Rech, J., Ramazashvili, R.
Based on phase space arguments, we develop a simple approach to metallic quantum critical points, designed to study the problem without integrating the fermions out of the partition function. The...
Bilang-Bleuel, A, Rech, J, De Carli, S, Holsboer, F, Reul, JMHM
The transcription factor cAMP response element-binding protein (CREB) plays a critical role in plasticity processes underlying learning and memory. We investigated the phosphorylation of CREB in rat...
Thoughts on text mining in organizational process learning (2002)
Rech, J., Decker, B., Klotz, A., Leopold, E., Voss, A.
Software organizations and projects frequently experience the problem that their process models are not based on lessons learned in the process usage and are not well accepted by their users. One...
Becker-Kornstaedt, U., Decker, B., Klotz, A., Leopold, E., Rech, J., ...
Within this paper we describe the indiGo approach to preparation, moderation, and analysis of discourses to enhance experience management. In the indiGo project this has been exemplified for the...
Becker-Kornstaedt, U., Decker, B., Klotz, A., Leopold, E., Rech, J., ...
The indiGo project aims at improving process knowledge by successive consolidation of feedback, ranging from private annotation, through structured communication in communities of practice, to...
The Fraunhofer IESE Experience Management System (2002)
Jedlitschka, A., Decker, B., Hartkopf, S., Nick, M., Rech, J.
Site-centered impurities in quantum spin chains (2001)
The magnetic behavior of antiferromagnetic spin 1/2 chains with site-centered impurities in a magnetic field is investigated. The effect of impurities is implemented by considering different...
Experience Management. The Fraunhofer IESE Experience Factory (2001)
Decker, B., Hartkopf, S., Jedlitschka, A., Nick, M., Rech, J.
Experience Management (EM) is an area that is increasingly gaining importance. Its roots lie in Experimental Software Engineering ("Experience Factory"), in Artificial Intelligence...
Experience Management. The Fraunhofer IESE Experience Factory (2001)
Decker, B., Hartkopf, S., Jedlitschka, A., Nick, M., Rech, J.
Experience Management (EM) is an area that is increasingly gaining importance. Its roots lie in Experimental Software Engineering ("Experience Factory"), in Artificial Intelligence ("Case-Based...
Using Knowledge Discovery Technology in Experience Management Systems (2001)
The management of experiences from projects is an important issue for modern software organizations. In this paper we describe our initiative for experience management (EM) called COIN based on...
A martensitic 10.6% Cr-steel under mechanical and thermal fatigue. (1995)
Degallaix, G., Rech, J., Desplanques, Y., Petersen, C., Wolter, F.
Internat.Symp.Fatigue under Thermal and Mechanical Loading, Mechanisms, Mechanics and Modelling, Petten, NL, May 22-24, 1995
Rech, J., Cathala, G., Jeanteur, Ph.
In a search for eucaryotic enzymes which might process the heterogenous nuclear RNA (HnRNA) from animal cells into messenger RNA, a ribonuclease called RNAse D analogous to E. coli RNAse III in its...
Cyclin A expression is under negative transcriptional control during the cell cycle.
Huet, X, Rech, J, Plet, A, Vié, A, Blanchard, J M
Transcription of the gene coding for cyclin A, a protein required for S-phase transit, is cell cycle regulated and is restricted to proliferating cells. To further explore transcriptional regulation...
Fort, P, Rech, J, Vie, A, Piechaczyk, M, Bonnieu, A, Jeanteur, P, ...
Rapid and transient activation of both c-fos transcription and mRNA accumulation occurs when resting CCL39 hamster fibroblasts are serum-stimulated to grow. By using several combinations of serum and...
Rech, J, Cathala, G, Jeanteur, P
In a search for eucaryotic enzymes which might process the heterogenous nuclear RNA (HnRNA) from animal cells into messenger RNA, a ribonuclease called RNAse D analogous to E. coli RNAse III in its...
Cyclin A expression is under negative transcriptional control during the cell cycle.
Huet, X, Rech, J, Plet, A, Vié, A, Blanchard, J M
Transcription of the gene coding for cyclin A, a protein required for S-phase transit, is cell cycle regulated and is restricted to proliferating cells. To further explore transcriptional regulation...
Fort, P, Rech, J, Vie, A, Piechaczyk, M, Bonnieu, A, Jeanteur, P, ...
Rapid and transient activation of both c-fos transcription and mRNA accumulation occurs when resting CCL39 hamster fibroblasts are serum-stimulated to grow. By using several combinations of serum and...
Rech, J, Cathala, G, Jeanteur, P
In a search for eucaryotic enzymes which might process the heterogenous nuclear RNA (HnRNA) from animal cells into messenger RNA, a ribonuclease called RNAse D analogous to E. coli RNAse III in its...