Slide 1 Presentation of NTNU/IDI’s Software Engineering Group, 29 Sept 2000 NTNU / IDI’s...

Presentation of NTNU/IDI’s Software Engineering Group, 29 Sept 2000 Slide 1

NTNU / IDI’s Software Engineering Group (SU)

Student recruitment meeting, NTNU, Friday 29. Sept. 2000

Reidar ConradiSoftware Engineering Group/

Gruppe for Systemutvikling (SU)

Dept. of Computer and Information Science (IDI)NTNU


Contents

1. General about IDI

2. General about SU group

3. Projects in SU group: CAGIS, CSE, SPIQ/PROFIT, NAWUS, SFF-Fornebu, INCO, MOWAHS, WebSys, internal proj.

4. Presentation of group members

5. Work conditions


SU motivation• Software essential in many important societal activities.

50-60,000 system developers in Norway – many without formal SW education. Still many challenges wrt. software quality and delivery on time and budget; cf. [US Standish report, 1995], cited in [PITAC, 1999], on projects for tailored software:

– 31% stopped before finish, 81 bill. $ loss/year (1% of GNP!)

– 53% have serious overruns (189% average), 59 bill. $/year

• Some challenges:– Web-systems: Manage time-to-market (TTM) vs. reliability?

– How do software systems evolve over time, cf. Y2K?

– What is empirically known about SW products and processes?

– How can small companies carry out systematic improvement?

– How to perform valid sw.eng. research in a university -- by student projects and having industry serving as a lab?


About IDI• Roots back to 1969

• Last merged in 1997 to combine engineering and “free univ.” studies in computer science/informatics

• Per 2000: 5% of NTNU resources, 12% of student load -- and 18% in 2004!

• Over 200 siv.ing. per year in 2004.

• Need 8 new teachers per year!

• Need 25 new PhD students per year -- you?


About IDI, future (2)• => 100 PhD students (now 40)• => Over 1000 siv.ing. students• => 70 teachers! (doubling), 10 researchers!• Active interplay with industry (Telenor …)• Active interplay with other national partners

(UiO, SFF-Fornebu, SINTEF, …)• Active international contacts: e.g. SU group

will have 5 guest researchers this Autumn• New space from 2001:Gløs & Lade together


Software Engineering Group (SU)• Four teachers:

– prof. Reidar Conradi– prof. Tor Stålhane– Assoc. prof. M. Letizia Jaccheri– Assoc. prof. (20%) Stig F. Mjølsnes (HiS)

• Four PhD students:– Roxana E. Diaconescu (CSE proj.) – Torgeir Dingsøyr (SPIQ/PROFIT)– Tore Dybå (SPIQ/PROFIT), at SINTEF– Alf Inge Wang (CAGIS)

• Have educated 13 PhDs over past 10 years


SU: Scientific Profile

• Software quality (reliability, safety, usability), software process improvement

• Component-based development, reuse, OO

• Web-based development: agents, XML, …

• Process modelling

• Versioning and configuration management

• Empirical studies, experience bases

• Software engineering education


Courses of SU group• Programming (Mjølsnes), 1st year

• System development (Conradi, Sindre), 2nd

• Programming languages (?), 3rd

• Programming project (Conradi), 4th

• Experts in Team, project (Conradi), 4th

• Software Architecture (Jaccheri), 4th

• SW quality and process impr. (Stålhane),4-5

• 3 PhD courses (Jaccheri, Conradi)


CAGIS: Cooperating Agents in the Global Information Space

• NFR basic R&D, 1997-2003. 4+1 PhD students, one researcher. 5 IDI groups

• Distributed agents and processes, A.I Wang

• Cooperating transactions, H. Ramampiaro

• Document classification, T. Brasethvik

• Computer-assisted learning, E. Prasolova

• Intelligent agents (IDI), Sobah A. Petersen


CSE project

• NTNU “Strategic University Program in Computation Science and Engineering”.

• CSE stands for those activities in science and engineering where numerical analysis on a computer is important.

• Objective: to improve the level of competence in using numerical mathematics and computer science in engineering.


• 9 Ph.D. positions:– Dept. of Mathematical Sciences: 3 positions – Dept. of Computer Science, IDI: 2 positions

• Roxana Elena Diaconescu, OO modelling (Conradi)

• Zoran Constantinescu, visualization (Blake)

– Dept. of Marine Hydrodynamics: 2 positions– Dept. of structural engineering: 2 positions

• NTNU - responsible for one out of three super-computing projects in Norway -- a CRAY T3E, CRAY J90 etc. -- used in CSE.

CSE project (2)


SPIQ/PROFIT: better software quality for Norwegian IT industry

• NFR industrial R&D project. Jointly with Univ. Oslo and SINTEF in 1997-99, 2000-02. 3 PhD students, 4-6 researchers. 10 active companies.

• Lead by Bravida Geomatikk (Telenor), attn/Tor Ulsund.

• How to help smaller companies to improve? Need insight from organizational sciences!

• Pilot projects in companies, over 20 such.• Empirical studies, experience bases• Method book (in Norwegian)


SPIQ/PROFIT (2): PhD students etc.

• Torgeir Dingsøyr, NTNU: experience bases, doing field studies in pilot project at Computas, at Univ. Kaiserslautern in Spring 2001

• Tore Dybå, NTNU: success factor for successful software process improvement, large gallup toward Norwegian IT industry, consulting in many pilot projects towards industry

• Erik Arisholm, UiO: incremental sw develpoment• Coworkers: Nils Brede Mo, Tor Stålhane and Tore

Dybå, SINTEF; Dag Sjøberg, UiO; and others


NAWUS: teaching network in software engineering education

• Done by Ifi/UiO and IDI/NTNU in 1998-99, coordinator Magne Jørgensen, Ifi.

• Web portal with shared educational material: lecture notes, exercises, project descriptions, repeatable experiments.

• Bias towards Ian Sommerville’s book?

• A dozen cooperating colleagues in universities and colleges


SFF-Fornebu: Center of Excellence in Software Engineeering (Senter for Fremragende Forskning)

• Proposed by Ifi/UiO (Dag Sjøberg) and IDI/NTNU (Reidar Conradi), July 1999

• Accepted part of SFF-Fornebu, Sept.2000

• Decentralized: Fornebu, Oslo, Trondheim

• Budget of 16 mill. NOK per year (?).

• 25 teachers, researchers & PhD students; 30-40 MSc students.


SFF and cooperating partners (2)

SFF

SE (UiO/NTNU)

SINTEF

DnV, Telenor, ...

…> 20 Norw. Compan.,partly in PROFIT

NTNU T.heim

Int’l contacts

ISERN network

Other projects


SFF- Scientific Profile (3)Six themes:

Research method: Model construction and subsequent validation

in industry, among students and through international cooperation.

Theme Responsible(s)

Object-oriented development andmaintenance

D . Sjøberg

Incremental and component-baseddevelopment

R. Conradi, D . Sjøberg

Methods to achieve quality ofWeb-based, distributed systems

L. Jaccheri

Estimation, planning and riskevaluation of software projects

M. Jørgensen

General software processimprovement and quality work

R. Conradi, T. Skramstad

Empirical software engineering M. Jørgensen, T. Stålhane


SFF: Industry is our lab! (4)

• Both IDI, NTNU and Ifi, UiO has had an industrial focus over some time. We expect that SFF-Fornebu will offer even better possibilities for industrial cooperation.

• Since 1993 we have published the following published papers, 1/3 based on industrial cooperation:

Institution Total numberof papers

Papers withint’l colleagues

Papers withnat’l/industrialcolleagues

NTNU 150 30 10UiO 60 17 13


SFF: Published papers so far in 2000, based on industrial cooperation (5)Bedrift PublikasjonerTelenor 1. M. Jørgensen, D. Sjøberg and G. Kirkebøen: ”The prediction ability of experienced software maintainers”, 4th European Conf. on Software

Maintenance and Reengineering, IEEE CS, pp. 93-100, Zurich, 29 Feb. - 3 March, 20002. Magne Jørgensen, Dag Sjøberg: ”Empirical studies on effort estimation in software development projects”, Conf. of Information Resources

Management Association (IRMA 2000), Alaska, May 2000Ericsson 3. Magne Jørgensen, Dag Sjøberg: The importance of NOT learning from experience, EuroSPI’2000, Copenhagen, Denmark, Nov. 2000

4. Reidar Conradi, Amarjit Singh Marjara, Børge Skåtevik, Torgeir Frotveit: "An Empirical Study of Inspection and Testing Data at Ericsson,Norway", Chapter in new book on Industrial Software Inspections, Autumn 2000.

Ericsson MobileCommunications

5. Lars Bratthall, Per Runeson, K. Adelsword, W. Ericsson: ”A Survey of Lead-Time Challenges in the Development and Evolution of DistributedReal-Time Systems”, Information and Software Technology, 2000

6. Lars Bratthall, Enrico Johansson, Bjørn Regnell: Predicting Change Impact? - A controlled Experiment on Software Architecture Evolution", InProc. Conference on Product Focused oftware Process Improvement (PROFES'2000): LNCS 1840, pp 126-139, Springer-Verlag, Berlin, 20-22June 2000, Oulu, Finland

Icon Medialab 7. M. Jørgensen, G. Kirkebøen, D. Sjøberg, B. Anda, L. Bratthall: ”Human judgement in effort estimation of software projects”, Beg, Borrow, orSteal Multi-Disciplinary Workshop at International Conference on Software Engineering (ICSE'2000), June 5, 2000, Limerick, Ireland

8. Bente Anda, Magne Jørgensen: ”Understanding Use Case Models”, Beg, Borrow, or Steal Multi-Disciplinary Workshop at InternationalConference on Software Engineering (ICSE'2000), June 5, 2000, Limerick, Ireland

Genera (SoftwareInnovation)

9. E. Arisholm and D. Sjøberg: ”Towards a Framework for Assessing Changeability Decay”, Journal of Systems and Software, Sep. 200010. Amela Karahasanovic: ”SEMT - A Tool for Finding Impacts of Schema Changes”, Proc. Ninth Nordic Workshop on Programming and

Software Development Environment Research (NWPER'2000), Lillehammer, 28-30 May, 2000Ericsson, Novit,Computas

11. M. L. Jaccheri, R. Conradi, B. H. Dyrnes: "Software Process Technology and Software Organisations", In Reidar Conradi (Ed.): Proc. 7thEuropean Software Process Workshop on Software Process Technology (EWSPT'7), Austria, 21-25 Feb. 2000. Springer LNCS 1780, p. 96-108.

ISI, Veritas 12. Reidar Conradi: "Report from SEKE'99 panel on From Software Experience Databases to Learning Organizations", Accepted for Journal ofSoftware Engineering and Knowledge Engineering, year 2000, 4 p

Fiat in Italy 13. A. Fuggetta, M. L. Jaccheri: "Dynamic partitioning of complex process models", Information and Software Technology, 42 (2000), p. 281-291Telenor 4tel,Computas, Novit,ISI

14. Reidar Conradi, Mikael Lindvall, and Carolyn Seaman: "Success Factors for Software Experience Bases: What We Need to Learn from OtherDisciplines", 6 p., ICSE'2000 Workshop on "Beg, Borrow or Steal: Using Multidisciplinary' Approaches in Empirical Software EngineeringResearch", Limerick, Ireland, 5 June 2000.

15. Reidar Conradi and Torgeir Dingsøyr: "Software Experience Bases: A Consolidated Evaluation and Status Report", Proc. Second Int'l Conf. onProduct Focused Software Process Improvement (PROFES'2000), Oulu, Finland, 20-22 June 2000, Springer LNCS 1840, p. 391-406.

16. Reidar Conradi and Torgeir Dingsøyr: "Software Experience Bases: Some Results and Recommendations", Accepted at 4th InternationalFEAST Workshop, London, 10-12 July 2000, 9 p.

NSB/Navia 17. Tor Stålhane and Kari Juul Wedde: "Safety Validation with Focus on Testing", ICSTEST International Conference on Software Testing, April5-7, 2000, Bonn, Germany

10 Scand. ESSIPIE-projects.

18. Joergen Boegh, Mads Christiansen, Ebba Pora Hvannberg, and Tor Stålhane: "The benefits of networking", Proc. Second Int'l Conf. on ProductFocused Software Process Improvement (PROFES'2000), Oulu, Finland, 20-22 June 2000, Springer LNCS 1840, p. 193-204.

Survey 52 norskebedrifter

19. K.K. Holgeid, J. Krogstie and D. Sjøberg: ”A Study of Development and Maintenance in Norway: Assessing the Efficiency of InformationSystems Support Using Functional Maintenance”, Information and Software Technology, Sep. 2000


1. Professor Chunnian Liu, dr.ing. (NTH 1983). Beijing Polytechnic University, PBR China, Area: software engineering, process support, distributed systems.

2. Professor Alfonso Fuggetta, Politecnico di Milano, Italy, Area: software engineering, software architecture, feature engineering, middleware.

3. Professor dr. Claes Wohlin, Telecom, Lund Techn. Univ., Sweden, Area: software engineering, testing, requirement analysis, software process improvement (SPI), metrics.

4. Professor dr. Hans-Dieter Rombach, Univ. Kaiserslautern and Fraunhofer Inst. for Experimental Software Engineering (IESE), dir. at IESE. IESE areas: SPI and software quality, reuse, component-based sw.eng., metrics, empirical studies, experience bases.

5. Prof.s dr.s Victor R. Basili and Marvin Zelkowitz, Univ. of Maryland, with a sister institute of IESE in software engineering (FC-MD). Area: SPI and software quality, inspection techniques, COTS, experience bases, metrics, empirical studies.

6. Associate Professor Lionel C. Briand, Ph.D. (Paris, France), Carleton Univ. (Ottawa), Area: Inspections and testing in OO software. Software quality assurance and control. Project planning and risk analysis. Technology evaluation, Experimental SW engineering.

7. Professor Ray Welland, Head of Computing Science Department, University of Glasgow, Area: software engineering, Web application development, software tools, design methods.

8. Professor Malcolm Atkinson, University of Glasgow, Area: Persistent programming, language design, (distributed) information systems, software engineering.

SFF: International cooperating partners, with some candidates for guest researchers/adjunct teachers (6)


INCO: Incremental and Component-Based Development

• Newly accepted NFR basic R&D project, 2001-2004. UiO and NTNU. 3 PhDs and one postdoc.

• Need a revolution in project models -- waterfall is dead, “internet” time, extend RUP and similar models. Rqmts <=> design: a negotiation!

• Component-based development, using Components-Off-The-Shelf (COTS) -- but how to manage the risks?

• Empirical studies towards Norwegian IT industry


MOWAHS: Mobile Work Across Heterogeneous Systems

• Newly accepted NFR basic R&D project, 2001-2004. SU and DB group. 2 PhDs and one postdoc.

• Software infrastructure for mobile agents that can move across fixed and portable PCs, PDAs etc.

• Novel transaction models to regulate access and updates to partly shared data.

• Try out for software engineering and teaching• Internationalization, Telenor cooperation


WebSys: Web-based systems -- Time-to-market vs. Reliability

• Sought NFR competence R&D project, 2001-2004. IDI, SINTEF and UiO. 3PhDs, one postdoc, and one part-time researcher. Three cooperating companies, incl. Mogul and Consult IT.

• Models for trade-off of “sooner” vs. “correct” Web-based systems. Market is God!

• Empirical studies in cooperating companies.• Improve industrial technologies and processes. • Strong international component.


Internal PhD fellowships in SU group: two in applied software engineering, two in free topics

• Two PhD project fellowships in applied software engineering: Empirical methods and studies against Norwegian IT industry, e.g. on Web-based systems.– Deadline ultimo Oct. 2000. Contact Reidar Conradi,

• One PhD univ. fellowship, perhaps on safety.– Deadline ultimo Oct. 2000. Contact Tor Stålhane

• One PhD univ. fellowship, general.– Deadline ultimo Oct. 2000. Contact Letizia Jaccheri


Teachers: prof. Reidar Conradi

• Born in Oslo, 1946

• MSc (1970) and PhD (1976) from NTNU

• At SINTEF 1972-75, at NTNU later

• Interests: software quality and process improvement, OO/reuse, distributed systems, versioning. Also: politics, jazz, skiing, swimming, ...

• Projects: most in SU group


Teachers (2): prof. Tor Stålhane

• Born in Skien, 1944• MSc (1970) and PhD (1988) from NTNU• At SINTEF 1970-2000, prof.II at HIS since 1997,

at NTNU from 1.10.00• Interests: software quality (especially safety and

reliability), process improvement, industrial development, data analysis (statistics) and empirical methods

• Projects: SPIQ/PROFIT, WebSys


Teachers (3): assoc.prof. M. Letizia Jaccheri

• Born in Pisa, 1965• BSc (1988) in Pisa, PhD (1994) in Torino• Politecnico di Torino 1991-97, NTNU since 1997• Interests: software quality, process improvement,

software architecture, distributed systems, software engineering education

• Projects: various projects, SFF-Fornebu?


Teachers (4): assoc.prof. (20%) Stig Frode Mjølsnes

• Born in Stavanger, 1956• MSc (1980) and PhD (1990) from NTNU• At SINTEF 1983-99, at HiS from 1999, at NTNU

from 1998• Interests: distributed and mobile systems, digital

cryptography and smart cards, location awareness, decentralized cooperation, programming for kids.

• Projects: many SINTEF projects


PhD students (1): Roxana E. Diaconescu

• Born in Romania, 1974• BSc (1997) Bucharest, 1997-98 at Univ.

Bucharest, NTNU PhD stud. from Aug.1998• Topic of thesis: Find appropriate numerical

approaches and SW in less human time and effort.– Embody knowledge in a “reusable” framework (design

and tailoring principles, reusing OO libraries)

– Use parallel computing to achieve better cost / efficiency -- by segmentation on Linux PC-clusters?


PhD students (2): Torgeir Dingsøyr

• Born in Søgne, 1974?• MSc (1998) NTNU, PhD student from Feb. 1998• Interests: software process improvement,

knowledge management, experience databases, organizational learning. Also journalism, student organizations

• Projects: SPIQ/PROFIT projects


PhD students (3): Tore Dybå

• Born in Oslo, 1961• MSc (1986) NTNU, PhD student from July 1997• Interests: software quality, process improvement,

organizational change, organizational learning, qualitative and quantitative methods

• Projects: SPIQ/PROFIT projects, many at SINTEF


PhD students (4): Alf Inge Wang

• Born in Levanger, 1970• BSc (1993) HiST, MSc (1996) NTNU, researcher

at NTNU in 1996, PhD student from Jan. 1997• Interests: distributed software architectures,

agents/XML, configuration management, process modelling. Also music, and family life

• Projects: EU projects, CAGIS projects


Ex-PhD student: Bjørn P. Munch

• Born in Oslo, 1964• MSc (1990) NTNU, PhD student NTNU 1990-93,

researcher NTNU 1993-1995, later at Telenor R&D and Clustra.

• Interests: robust databases, software quality, distributed software architectures, configuration management

• Projects: EPOS and other projects


Life as a PhD student (1)

• Ltr. 37: 265,000 kr per year, up to 20% more from external or other projects

• Four years: three for dr. studies, one for teaching • Assists in courses and supervises MSc students

Contributes to value chain: jr. student - sr. student - PhD student - teacher I.e. research-based education

• Ca. 3 travels to conferences per year, 6-8 months foreign stay during study (UK, USA, Germany)

• PhD study: a researcher education, both narrow and broad


Life as a PhD student (2)• Exciting and relevant research topics• Very motivated and international environment.

Cooperative work in dynamic project groups. Soon a larger research group: Gløs and Lade

• Strong couplings to Norwegian industry. Cooperation with SINTEF and UiO

• Your PhD is valued after the study, in any computer science field (high-tech). Ex. FAST and Clustra: 50% of IDI’s PhDs since 1995 -- cannot “afford” more such companies (!)

• Have fun and WELCOME!!

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