S. Adam

Publication List Details

Period

1982 - 2008

Number

127

Co-Authors

De la sélection d'arbres de décision dans les forêts aléatoires (2008)

Heutte, L., Bernard, S., Adam, S., Oliveira, E.

Dans cet article nous présentons une étude sur une nouvelle famille de méthodes d'Ensembles de Classifieurs, appelée Forêts Aléatoires (RF pour Random Forest). Dans un processus d'induction de...

Etude de l'influence des paramètres sur les performances des forêts aléatoires (2008)

Bernard, S., Heutte, L., Adam, S.

Dans cet article nous présentons nos travaux sur la paramétrisation des Forêts Aléatoires (RF pour Random Forests), et plus précisément sur la paramétrisation de l'algorithme d'induction...

Graphes prototypes vs. graphe médian généralisé pour la classification de données structurées (2008)

Raveaux, R., Barbu, E., Adam, S., Héroux, P., Trupin, E.

Dans [BAR 06], nous avons présenté une méthode de classification de données structurelles basée sur l'utilisation de graphes prototypes extraits par un algorithme génétique. Dans ce nouvel...

De la sélection d'arbres de décision dans les forêts aléatoires (2008)

Heutte, L., Bernard, S., Adam, S., Oliveira, E.

Dans cet article nous présentons une étude sur une nouvelle famille de méthodes d'Ensembles de Classifieurs, appelée Forêts Aléatoires (RF pour Random Forest). Dans un processus d'induction de...

Etude de l'influence des paramètres sur les performances des forêts aléatoires (2008)

Bernard, S., Heutte, L., Adam, S.

Dans cet article nous présentons nos travaux sur la paramétrisation des Forêts Aléatoires (RF pour Random Forests), et plus précisément sur la paramétrisation de l'algorithme d'induction...

Graphes prototypes vs. graphe médian généralisé pour la classification de données structurées (2008)

Raveaux, R., Barbu, E., Adam, S., Héroux, P., Trupin, E.

Dans [BAR 06], nous avons présenté une méthode de classification de données structurelles basée sur l'utilisation de graphes prototypes extraits par un algorithme génétique. Dans ce nouvel...

Effective medium theory for disordered two-dimensional graphene (2008)

Rossi, Enrico, Adam, S., Sarma, S. Das

The unusual transport properties of graphene [1,2] arise mostly from its "Dirac spectrum" -- a linear, zero-gap dispersion relation of chiral Fermion carriers (electrons and holes), with the charge...

Tuning the effective fine structure constant in graphene: opposing effects of dielectric screening on short- and long-range potential scattering (2008)

Jang, C., Adam, S., Williams, E. D., Sarma, S. Das, Fuhrer, M. S.

We reduce the dimensionless interaction strength in graphene by adding a water overlayer in ultra-high vacuum, thereby increasing dielectric screening. The mobility limited by long-range impurity...

Density inhomogeneity driven percolation metal-insulator transition and dimensional crossover in graphene nanoribbons (2008)

Adam, S., Cho, S., Fuhrer, M. S., Sarma, S. Das

Transport in graphene nanoribbons with an energy gap in the spectrum is considered in the presence of random charged impurity centers. At low carrier density, we predict and establish that the system...

Transport in suspended graphene (2008)

Adam, S., Sarma, S. Das

Motivated by recent experiments on suspended graphene showing carrier mobilities as high as 200,000 cm^2/Vs, we theoretically calculate transport properties assuming Coulomb impurities as the...

Transformation von Geschäftsprozessen auf SOA Plattformen mit Hilfe Semantischer Technologien (2008)

Stamber, C., Adam, S., Stein, S.

Business processes are very important for nowadays enterprises. The centralization of business processes requires a supporting IT infrastructure often arranged as Service Oriented Architecture....

How to better align BPM & SOA - Ideas on improving the transition between process design and deployment (2008)

Adam, S., Doerr, J.

Business Process Management (BPM) and Service Oriented Architectures (SOA) are considered as a powerful combination for supporting enterprise's success. While BPM addresses the (goal-driven)...

The role of service abstraction and service variability and its impact on requirements engineering for service-oriented systems (2008)

Adam, S., Doerr, J.

The service-oriented paradigm typically separates the development of systems into service engineering and application engineering. In our opinion, these two disciplines cannot be completely...

Challenges to the model-driven generation of user interfaces at runtime for ambient intelligent systems (2008)

Adam, S., Breiner, K., Mukasa, K.S., Trapp, M.

Context-awareness, personalization and adaptation are among salient features of Ambient Intelligent (AmI) Systems. The User Interfaces (UI) in AmI environments should therefore also be dynamic at...

Measurement of Scattering Rate and Minimum Conductivity in Graphene (2007)

Zhang, Y., Bolotin, K., Zhao, Y., Adam, S., Hwang, E. H., ...

The conductivity of graphene samples with various levels of disorder is investigated for a set of specimens with mobility in the range of $1-20\times10^3$ cm$^2$/V sec. Comparing the experimental...

The provision of critical care outreach services in England: findings from a national survey (2007)

McDonnell, A., Esmonde, L., Morgan, R., Brown, R., Bray, K., Parry, G., ...

Purpose: The aim of this study was to describe the development, introduction, implementation, and current models of critical care outreach services.Materials and Methods: We conducted a national...

Rigorous derivation of the mean field Green functions of the two-band Hubbard model of superconductivity (2007)

Adam, Gh., Adam, S.

The Green function (GF) equation of motion technique for solving the effective two-band Hubbard model of high-T_c superconductivity in cuprates [N.M. Plakida et al., Phys. Rev. B, v. 51, 16599...

Systematic review and evaluation of physiological track and trigger warning systems for identifying at-risk patients on the ward (2007)

Gao, H., McDonnell, A., Harrison, D. A., Moore, T., Adam, S., Daly, K., ...

Objective Physiological track and trigger warning systems (TTs) are used to identify patients outside critical care areas at risk of deterioration and to alert a senior clinician, Critical Care...

Magnetic-field dependence of energy levels in ultrasmall metal grains (2007)

Adam, S., Polianski, M.L., Waintal, X., Brouwer, P.W.

We present a theory of mesoscopic fluctuations of $g$ tensors and avoided crossing energies in a small metal grain. The model, based on random matrix theory, contains both the orbital and spin...

Ausarbeitung und Evaluierung eines Konzepts zur Integration von Kontextfaktoren im Requirements Engineering (2007)

Zirbes, D., Adam, S.

Kleine und mittlere Softwareunternehmen (KMU) tun sich meist schwer, Referenzprozesse für das Anforderungsmanagement einzusetzen oder systematische Prozessverbesserungen in diesem Bereich...

Population trends of antelopes in Waza National Park (Cameroon) from 1960 to 2001: The interacting effects of rainfall, flooding and human interventions (2007)

Scholte, P., Adam, S., Serge, B.K.

Antelopes are prominent wildlife in Waza National Park, situated in Sahelo-Sudanian Cameroon, which has witnessed dramatic changes in rainfall and flooding. To assess their impacts, we reviewed 26...

On the notion of determining system adequacy by analyzing the traceability of quality (2007)

Adam, S., Doerr, J.

Current research and practice in business process modeling corroborate the belief that quality issues are still not addressed with the necessary diligence here as, for instance, in the area of...

Towards early consideration of non-functional requirements at the business process level (2007)

Adam, S., Doerr, J.

Non-functional (or quality) requirements are one of the key issues that need to be addressed during the development of any software system. Experience has shown that as the alignment of business...

Challenges to the model-driven generation of user interfaces at runtime for ambient intelligent systems (2007)

Adam, S., Breiner, K., Mukasa, K.S., Trapp, M.

Context-awareness, personalization and adaptation are among salient features of Ambient Intelligent (AmI) Systems. The User Interfaces (UI) in AmI environments should therefore also be dynamic at...

Towards early consideration of non-functional requirements at the business process level (2007)

Adam, S., Doerr, J.

Non-functional (or quality) requirements are one of the key issues that need to be addressed during the development of any software system. Experience has shown that as the alignment of business...

Influence of requirements specification notation on change impact analysis: An empirical investigation (2007)

Koenig, T., Olsson, T., Schmid, K., Adam, S.

This report describes the results of an empirical investigation in which the effectiveness and efficiency of change impact analysis using the notations of EPC and Use Cases were compared.

RE-Wissen.de - a requirements engineering community portal in Germany (2007)

Adam, S., Doerr, J., Eisenbarth, M.

RE-Wissen.de is a community portal to support enterprises in the area of requirements engineering by capturing and providing state-of-the-practice and state-of-the-art know-how and industrial...

RE-Wissen.de - a requirements engineering community portal in Germany (2007)

Adam, S., Doerr, J., Eisenbarth, M.

RE-Wissen.de is a community portal to support enterprises in the area of requirements engineering by capturing and providing state-of-the-practice and state-of-the-art know-how and industrial...

Influence of requirements specification notation on change impact analysis: An empirical investigation (2007)

Koenig, T., Olsson, T., Schmid, K., Adam, S.

This report describes the results of an empirical investigation in which the effectiveness and efficiency of change impact analysis using the notations of EPC and Use Cases were compared.

RE-Wissen.de - a requirements engineering community portal in Germany (2007)

Adam, S., Doerr, J., Eisenbarth, M.

RE-Wissen.de is a community portal to support enterprises in the area of requirements engineering by capturing and providing state-of-the-practice and state-of-the-art know-how and industrial...

Transport in chemically doped graphene in the presence of adsorbed molecules (2006)

Hwang, E. H., Adam, S., Sarma, S. Das

Motivated by a recent experiment reporting on the possible application of graphene as sensors, we calculate transport properties of 2D graphene monolayers in the presence of adsorbed molecules. We...

Carrier transport in 2D graphene layers (2006)

Hwang, E. H., Adam, S., Sarma, S. Das

Carrier transport in gated 2D graphene monolayers is theoretically considered in the presence of scattering by random charged impurity centers with density $n_i$. Excellent quantitative agreement is...

Mean field solutions to singlet hopping and superconducting pairing within a two-band Hubbard model (2006)

Adam, S., Adam, Gh.

The mean field Green function solution of the two-band singlet-hole Hubbard model for high-$T\sb{c}$ superconductivity in cuprates (Plakida, N.M. et al., Phys. Rev. B51, 16599 (1995), JETP 97, 331...

The boundary layer problem in Bayesian adaptive quadrature (2006)

Adam, Gh., Adam, S.

The boundary layer of a finite domain [a, b] covers mesoscopic lateral neighbourhoods, inside [a, b], of the endpoints a and b. The correct diagnostic of the integrand behaviour at a and b, based on...

Möglichkeiten und Grenzen bausteinorientierter Anforderungsmanagement-Prozessverbesserung in KMUs (2006)

Adam, S., Doerr, J., Eisenbarth, M.

Traditionelle Prozessverbesserungsinstrumente wie CMMI oder SPICE sind aufgrund mangelndem finanziellen und zeitlichen Spielraum oft nicht von KMUs ein- bzw. umzusetzen. Eine Alternative bieten...

Das ReqMan Prozessrahmenwerk (2006)

Doerr, J., Koenig, T., Olsson, T., Adam, S.

Dieser Bericht beschreibt die theoretischen Grundlagen des ReqMan-Rahmenwerkes und die Motivation, die zu seiner Entwicklung geführt hat.

A comparison of requirements engineering process improvement approaches for SME (2006)

Adam, S., Olsson, T.

This report describes a short overview and comparison of some approaches which address the improvement of requirements engineering in small and medium-sized enterprises.

Evolution of the ReqMan Framework (2006)

Adam, S., Koenig, T., Olsson, T.

The ReqMan Framework is considered a theoretical, coarse structuring of concepts related to Requirements Engineering. For this purpose, the concepts of requirements phases, practices, and techniques...

Evolution des ReqMan-Rahmenwerks (2006)

Adam, S., Koenig, T., Olsson, T.

Das ReqMan Rahmenwerk versteht sich als theoretische Grob-Strukturierung Requirements Engineering bezogener Konzepte. Zu diesem Zweck wurden in einer ersten Iteration die Konzepte Anforderungsphasen,...

ReqMan-Praktiken im RUP und XP (2006)

Adam, S., Olsson, T.

In dieser Arbeit wird anhand der Literatur eine Untersuchung durchgeführt, in wie weit die von ReqMan [ODK05] als essentiell erachteten Praktiken des Requirements Engineering im Rational Unified...

Experience in model-driven UI-development using a MDA-compliant framework (2006)

Adam, S., Bunse, C., Kolling, P.

The success of a company depends directly on its ability to quickly adapt to changing market requirements. One means for reaching this goal is reuse technology. Reuse, known since the beginning of...

Möglichkeiten und Grenzen bausteinorientierter Anforderungsmanagement-Prozessverbesserung in KMUs (2006)

Adam, S., Doerr, J., Eisenbarth, M.

Traditionelle Prozessverbesserungsinstrumente wie CMMI oder SPICE sind aufgrund mangelndem finanziellen und zeitlichen Spielraum oft nicht von KMUs ein- bzw. umzusetzen. Eine Alternative bieten...

Das ReqMan Prozessrahmenwerk (2006)

Doerr, J., Koenig, T., Olsson, T., Adam, S.

Dieser Bericht beschreibt die theoretischen Grundlagen des ReqMan-Rahmenwerkes und die Motivation, die zu seiner Entwicklung geführt hat.

A comparison of requirements engineering process improvement approaches for SME (2006)

Adam, S., Olsson, T.

This report describes a short overview and comparison of some approaches which address the improvement of requirements engineering in small and medium-sized enterprises.

Evolution of the ReqMan Framework (2006)

Adam, S., Koenig, T., Olsson, T.

The ReqMan Framework is considered a theoretical, coarse structuring of concepts related to Requirements Engineering. For this purpose, the concepts of requirements phases, practices, and techniques...

Evolution des ReqMan-Rahmenwerks (2006)

Adam, S., Koenig, T., Olsson, T.

Das ReqMan Rahmenwerk versteht sich als theoretische Grob-Strukturierung Requirements Engineering bezogener Konzepte. Zu diesem Zweck wurden in einer ersten Iteration die Konzepte Anforderungsphasen,...

ReqMan-Praktiken im RUP und XP (2006)

Adam, S., Olsson, T.

In dieser Arbeit wird anhand der Literatur eine Untersuchung durchgeführt, in wie weit die von ReqMan [ODK05] als essentiell erachteten Praktiken des Requirements Engineering im Rational Unified...

Experience in model-driven UI-development using a MDA-compliant framework (2006)

Adam, S., Bunse, C., Kolling, P.

The success of a company depends directly on its ability to quickly adapt to changing market requirements. One means for reaching this goal is reuse technology. Reuse, known since the beginning of...

Investigating the effectiveness of critical care outreach services: a systematic review (2005)

Esmonde, L., McDonnell, A., Ball, C., Waskett, C., Morgan, R., Rashidian, A., ...

Objective We explored the impact of critical care outreach activity on patient and service outcomes and aimed to contribute to developing a typology of critical care outreach services. Design...

Modellbasierte Entwicklung generischer Benutzerschnittstellen (2005)

Adam, S., Bunse, C., Kolling, P.

Die steigende Dezentralisierung und der wachsende Anteil von Software in vielen Produkten verlangen systematische Entwicklungsmethoden für qualitativ hochwertige und flexibel adaptierbare Software,...

Modellbasierte Entwicklung generischer Benutzerschnittstellen (2005)

Adam, S., Bunse, C., Kolling, P.

Die steigende Dezentralisierung und der wachsende Anteil von Software in vielen Produkten verlangen systematische Entwicklungsmethoden für qualitativ hochwertige und flexibel adaptierbare Software,...

Robustness Against Different Implementation of (2004)

K. W. Wirtz, S. Adam, X. Liu

The dramatic consequences of oil or chemical spills for coastal ecosystems and economic uses make contingency management a politically sensitive task. We here propose a new Decision Support System...

Reliability Conditions in Quadrature Algorithms (2003)

Adam, Gh., Adam, S., Plakida, N. M.

The detection of insufficiently resolved or ill-conditioned integrand structures is critical for the reliability assessment of the quadrature rule outputs. We discuss a method of analysis of the...

Magnetic-field dependence of energy levels in ultrasmall metal grains (2002)

Adam, S., Polianski, M. L., Waintal, X., Brouwer, P. W.

We present a theory of mesoscopic fluctuations of g tensors and avoided crossing energies in a small metal grain. The model, based on random matrix theory, contains both the orbital and spin...

Exchange and spin-fluctuation superconducting pairing in cuprates (2001)

Plakida, N. M., Anton, L., Adam, S., Adam, Gh.

We propose a microscopical theory of superconductivity in CuO$_2$ layer within the effective two-band Hubbard model in the strong correlation limit. By applying a projection technique for the matrix...

Floodplain rehabilitation in North Cameroon: impact on vegetation dynamics (2000)

Scholte, P., Kirda, P., Adam, S., Kadiri, B.

Since the construction in 1979 of a dam in the Logone floodplain in the Sahelo-Sudanian zone of Cameroon, annual inundations have decreased, reducing perennial vegetation as important grazing source...

Signature of Fermi surface jumps in positron spectroscopy data (1999)

Adam, Gh., Adam, S.

A subtractionless method for solving Fermi surface sheets ({\tt FSS}), from measured $n$-axis-projected momentum distribution histograms by two-dimensional angular correlation of the...

Reliable operations on oscillatory functions (1999)

Adam, Gh., Adam, S.

Approximate $p$-point Leibniz derivation formulas as well as interpolatory Simpson quadrature sums adapted to oscillatory functions are discussed. Both theoretical considerations and numerical...

Advanced Air Data System (AADS)-untersuchungen im Transsonischen Windkanal Goettingen (TWG) an einer Sonde mit Strakes (1997)

Adam, S.

Zur Bestimmung der Luftdaten waehrend des Fluges, die insbesondere bei hohen Anstellwinkeln noch nicht befriedigend geloest ist, werden in Zusammenarbeit mit der DASA die Moeglichkeiten fuer ein...

"Bedroht uns der Islam?" Die Konstruktion eines postmodernen Feindbildes am Beispiel Algerien an zwei exemplarischen Diskursanalysen. (1997)

Kliche, T., Adam, S., Jannink, H.

Da Tiefenstrukturen und Genese von Feindbildern ungeklärt sind, wird an ausgewählten Medientexten die Algerien-Berichterstattung in der deutschen Öffentlichkeit untersucht. Die Analyse zeigt...

Influence of Composition and Plastic Deformation on the Hydrogen Internal Friction Peak in Amorphous Co-Zr Alloys (1996)

Winter, F., Adam, S.

Vibrating-reed measurements of the hydrogen internal friction peak were performed on a series of Co-Zr glasses ranging from Co55Zr45 to Co24Zr76. Variations in peak shape and growth behaviour (on...

Influence of Composition and Plastic Deformation on the Hydrogen Internal Friction Peak in Amorphous Co-Zr Alloys (1996)

Winter, F., Adam, S.

Vibrating-reed measurements of the hydrogen internal friction peak were performed on a series of Co-Zr glasses ranging from Co55Zr45 to Co24Zr76. Variations in peak shape and growth behaviour (on...

Influence of Composition and Plastic Deformation on the Hydrogen Internal Friction Peak in Amorphous Co-Zr Alloys (1996)

Winter, F., Adam, S.

Vibrating-reed measurements of the hydrogen internal friction peak were performed on a series of Co-Zr glasses ranging from Co55Zr45 to Co24Zr76. Variations in peak shape and growth behaviour (on...