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ORCIDClarence A. Ellis
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- affiliation: University of Colorado, USA
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2020 – today
- 2022
[j22]Clarence A. Ellis:
Clarence "skip" Ellis. SIGCAS Comput. Soc. 51(1): 7 (2022)
2010 – 2019
- 2012
- [j21]Clarence A. Ellis, Kwanghoon Pio Kim
, Aubrey J. Rembert, Jacques Wainer:
Investigations on Stochastic Information Control Nets. Inf. Sci. 194: 120-137 (2012)
2000 – 2009
- 2009
- [c49]Aubrey J. Rembert, Clarence (Skip) Ellis:
Learning the Control-Flow of a Business Process Using ICN-Based Process Models. ICSOC/ServiceWave 2009: 346-351 - [c48]Aubrey J. Rembert, Clarence (Skip) Ellis:
An initial approach to mining multiple perspectives of a business process. Richard Tapia Celebration of Diversity in Computing Conference 2009: 35-40 - [p4]Kwanghoon Pio Kim, Clarence A. Ellis:
ICN-Based Workflow Model and its Advances. Handbook of Research on Business Process Modeling 2009: 142-171 - [e4]Lei Chen, Chengfei Liu, Xiao Zhang, Shan Wang, Darijus Strasunskas, Stein L. Tomassen, Jinghai Rao, Wen-Syan Li, K. Selçuk Candan, Dickson K. W. Chiu, Yi Zhuang, Clarence A. Ellis, Kwanghoon Pio Kim:
Advances in Web and Network Technologies, and Information Management, APWeb/WAIM 2009 International Workshops: WCMT 2009, RTBI 2009, DBIR-ENQOIR 2009, PAIS 2009, Suzhou, China, April 2-4, 2009, Revised Selected Papers. Lecture Notes in Computer Science 5731, Springer 2009, ISBN 978-3-642-03995-9 [contents] - 2007
- [c47]Kwanghoon Pio Kim, Clarence A. Ellis:
sigma - Algorithm : Structured Workflow Process Mining Through Amalgamating Temporal Workcases. PAKDD 2007: 119-130 - [c46]Clarence A. Ellis, Kwanghoon Pio Kim:
Process Aware Information Systems: A Human Centered Perspective. APWeb/WAIM 2007: 39-49 - [e3]Kevin Chen-Chuan Chang, Wei Wang, Lei Chen, Clarence A. Ellis, Ching-Hsien Hsu, Ah Chung Tsoi, Haixun Wang:
Advances in Web and Network Technologies, and Information Management, APWeb/WAIM 2007 International Workshops: DBMAN 2007, WebETrends 2007, PAIS 2007 and ASWAN 2007, Huang Shan, China, June 16-18, 2007, Proceedings. Lecture Notes in Computer Science 4537, Springer 2007, ISBN 978-3-540-72908-2 [contents] - 2006
- [c45]Clarence A. Ellis, Aubrey J. Rembert, Kwanghoon Pio Kim, Jacques Wainer:
Beyond Workflow Mining. Business Process Management 2006: 49-64 - [p3]Kwanghoon Pio Kim, Clarence A. Ellis:
Workflow Reduction for Reachable-path Rediscovery in Workflow Mining. Foundations and Novel Approaches in Data Mining 2006: 289-310 - 2005
- [j20]Paulo Barthelmess, Clarence A. Ellis:
The Neem Platform: An Evolvable Framework for Perceptual Collaborative Applications. J. Intell. Inf. Syst. 25(2): 207-240 (2005) - [c44]Jacques Wainer, Kwanghoon Pio Kim, Clarence A. Ellis:
A Workflow Mining Method Through Model Rewriting. CRIWG 2005: 184-191 - [p2]Clarence A. Ellis, Paulo Barthelmess, Jun Chen, Jacques Wainer:
Person-to-Person Processes: Computer-Supported Collaborative Work. Process-Aware Information Systems 2005: 37-60 - 2004
- [c43]Paulo Barthelmess, Clarence A. Ellis:
A Distributed and Parallel Component Architecture for Stream-Oriented Applications. CoopIS/DOA/ODBASE (2) 2004: 1427-1444 - [c42]Paulo Barthelmess, Clarence A. Ellis:
The ThreadMill architecture for stream-oriented human communication analysis applications. ICMI 2004: 61-68 - [c41]Gregório Baggio, Jacques Wainer, Clarence A. Ellis:
Applying scheduling techniques to minimize the number of late jobs in workflow systems. SAC 2004: 1396-1403 - 2003
- [j19]Maurice H. ter Beek, Clarence A. Ellis, Jetty Kleijn, Grzegorz Rozenberg:
Synchronizations in Team Automata for Groupware Systems. Comput. Support. Cooperative Work. 12(1): 21-69 (2003) - [c40]Clarence A. Ellis:
Net Models Supporting Human and Humane Behaviors. ICATPN 2003: 43 - [c39]Clarence A. Ellis, Paulo Barthelmess:
The neem dream. Richard Tapia Celebration of Diversity in Computing Conference 2003: 23-29 - 2002
- [c38]Paulo Barthelmess, Clarence A. Ellis, The Neem Platform:
An Evolvable Framework for Perceptual Collaborative Applications. OTM 2002: 522 - [c37]Paulo Barthelmess, Clarence A. Ellis:
The Neem Platform: An Extensible Framework for the Development of Perceptual Collaborative Applications. EDCIS 2002: 547-562 - [c36]Paulo Barthelmess, Clarence A. Ellis:
Perceptual Collaboration in Neem. ICMI 2002: 21-26 - [c35]Paulo Barthelmess, Clarence A. Ellis:
Aspect-oriented Composition in Extensible Collaborative Applications. PDPTA 2002: 1421-1430 - 2001
- [j18]Wil M. P. van der Aalst, Paulo Barthelmess, Clarence A. Ellis, Jacques Wainer:
Proclets: A Framework for Lightweight Interacting Workflow Processes. Int. J. Cooperative Inf. Syst. 10(4): 443-481 (2001) - [j17]Kwanghoon Pio Kim, Clarence A. Ellis:
Performance Analytic Models and Analyses for Workflow Architectures. Inf. Syst. Frontiers 3(3): 339-355 (2001) - [c34]Maurice H. ter Beek, Clarence A. Ellis, Jetty Kleijn, Grzegorz Rozenberg:
Team automata for spatial access control. ECSCW 2001: 59-78 - [c33]Kwanghoon Pio Kim, Clarence A. Ellis:
Workflow performance and scalability analysis using the layered queuing modeling methodology. GROUP 2001: 135-143 - 2000
- [j16]Clarence A. Ellis, Karim Keddara:
ML-DEWS: Modeling Language to Support Dynamic Evolution within Workflow Systems. Comput. Support. Cooperative Work. 9(3/4): 293-333 (2000) - [c32]Clarence A. Ellis, Karim Keddara:
A Workflow Change Is a Workflow. Business Process Management 2000: 201-217 - [c31]Clarence A. Ellis, Kwanghoon Pio Kim:
A Framework and Taxonomy for Workflow Architecture. COOP 2000: 99-112 - [c30]Wil M. P. van der Aalst, Paulo Barthelmess, Clarence A. Ellis, Jacques Wainer:
Workflow Modeling Using Proclets. CoopIS 2000: 198-209
1990 – 1999
- 1999
- [c29]Kwanghoon Pio Kim, Su-Ki Paik, Clarence A. Ellis:
Actor-Oriented Workflow Model. CODAS 1999: 150-164 - [c28]William J. McIver Jr., Karim Keddara, Christian Och, Roger King, Clarence A. Ellis, John Todd, Nathan Getrich, Richard Osborne, Brian Temple:
An Overview of Souk Nets: A Component-Based Paradigm for Data Source Integration. DBPL 1999: 117-128 - [c27]Roberto Silveira Silva Filho, Jacques Wainer, Edmundo R. M. Madeira, Clarence A. Ellis:
CORBA based Architecture for Large Scale Workflow. ISADS 1999: 276-283 - 1998
- [c26]Jacques Wainer, Clarence A. Ellis:
Agents in Groupware Systems. CRIWG 1998: 157-168 - [c25]Chengzheng Sun, Clarence A. Ellis:
Operational Transformation in Real-Time Group Editors: Issues, Algorithms, and Achievements. CSCW 1998: 59-68 - 1997
- [c24]Clarence A. Ellis:
Team automata for groupware systems. GROUP 1997: 415-424 - [c23]Clarence A. Ellis, Carlos Maltzahn:
The Chautauqua Workflow System. HICSS (4) 1997: 427- - 1996
- [c22]Giorgio De Michelis, Clarence A. Ellis:
Computer Supported Cooperative Work and Petri Nets. Petri Nets (2) 1996: 125-153 - [c21]Clarence A. Ellis:
A Framework and Mathematical Model for Collaboration Technology. Coordination Technology for Collaborative Applications 1996: 121-144 - 1995
- [c20]Clarence A. Ellis:
Next Generation Workflow: Promises and Problems (Keynote). CoopIS 1995: 1 - [c19]Clarence A. Ellis, Karim Keddara, Grzegorz Rozenberg:
Dynamic change within workflow systems. COOCS 1995: 10-21 - [e2]Nora Comstock, Clarence A. Ellis:
Proceedings of the Conference on Organizational Computing Systems, COOCS 1995, Milpitas, California, USA, August 13-16, 1995. ACM 1995, ISBN 978-0-89791-706-3 [contents] - 1994
- [c18]Clarence A. Ellis, Jacques Wainer:
A Conceptual Model of Groupware. CSCW 1994: 79-88 - 1993
- [j15]Matthias Jarke, Clarence A. Ellis:
Distributed Cooperation in Integrated Information Systems. Int. J. Cooperative Inf. Syst. 2(1): 85-104 (1993) - [c17]Clarence A. Ellis, Gary J. Nutt:
Modeling and Enactment of Workflow Systems. Application and Theory of Petri Nets 1993: 1-16 - 1992
- [c16]Shih-Gong Li, Clarence A. Ellis, Kar Yan Tam:
Dynamic change in office automation: modeling and analysis. SAC 1992: 1111-1117 - 1991
- [j14]Clarence A. Ellis, Simon J. Gibbs, Gail L. Rein:
Groupware: Some Issues and Experiences. Commun. ACM 34(1): 39-58 (1991) - [j13]Clarence A. Ellis:
Consistency within Concurrent Groupware Systems. IEEE Data Eng. Bull. 14(1): 9-13 (1991) - [j12]Gail L. Rein, Clarence A. Ellis:
rIBIS: A Real-Time Group Hypertext System. Int. J. Man Mach. Stud. 34(3): 349-367 (1991) - [c15]Clarence A. Ellis:
Groupware: Overview and Perspectives. Wissensbasierte Systeme 1991: 18-29 - 1990
- [j11]Clarence A. Ellis, Gail L. Rein, Sirkka L. Jarvenpaa:
Nick Experimentation: Selected Results Concerning Effectiveness of Meeting Support Technology. J. Manag. Inf. Syst. 6(3): 7-24 (1990)
1980 – 1989
- 1989
- [j10]Show-Way Yeh, Clarence A. Ellis, Aral Ege, Henry F. Korth:
Performance analysis of two concurrency control schemes for design environments. Inf. Sci. 49(1-3): 3-33 (1989) - [c14]Clarence A. Ellis, Simon J. Gibbs:
Concurrency Control in Groupware Systems. SIGMOD Conference 1989: 399-407 - [p1]Clarence A. Ellis, Simon J. Gibbs:
Active Objects: Ealities and Possibilities. Object-Oriented Concepts, Databases, and Applications 1989: 561-572 - 1987
- [j9]Ted J. Biggerstaff, Clarence A. Ellis, Frank G. Halasz, Charles Kellogg, Charles Richter, Dallas E. Webster:
Information Management Challenges in the Software Design Process. IEEE Data Eng. Bull. 10(1): 24-31 (1987) - [j8]Peter Cook, Clarence A. Ellis, Mike Graf, Gail L. Rein, Tom Smith:
Project Nick: Meetings Augmentation and Analysis. ACM Trans. Inf. Syst. 5(2): 132-146 (1987) - [c13]Aral Ege, Clarence A. Ellis:
Design and Implementation of GORDION, an Object Base Management System. ICDE 1987: 226-234 - 1986
- [c12]Michael L. Begeman, Peter Cook, Clarence A. Ellis, Mike Graf, Gail L. Rein, Tom Smith:
Project Nick: meetings augmentation and analysis. CSCW 1986: 1-6 - [c11]Clarence A. Ellis:
Panel on alternative views of cooperative work in the office. CSCW 1986: 143 - 1984
- [j7]Clarence A. Ellis:
Selected Papers from the Conference on Office Information Systems (Toronto, 1984) - Editor's Introduction. ACM Trans. Inf. Syst. 2(3): 171-172 (1984) - [e1]Clarence A. Ellis, James H. Bair:
Proceedings of the Second ACM-SIGOA Conference on Office Information Systems, COCS 1984, USA, 1984. ACM 1984, ISBN 978-0-89791-140-5 [contents] - 1983
- [c10]Clarence A. Ellis:
Formal and Informal Models of Office Activity. IFIP Congress 1983: 11-22 - 1982
- [c9]Clarence A. Ellis, Marc Bernal:
OfficeTalk-D: An experimental office information system. COCS 1982: 131-140 - [c8]David Choy, Clarence A. Ellis, John O. Limb:
Panel Discussion. COMPCON 1982: 403- - 1980
- [j6]Clarence A. Ellis, Gary J. Nutt:
Office Information Systems and Computer Science. ACM Comput. Surv. 12(1): 27-60 (1980) - [c7]Michael P. Barnett, Robert A. Myers, Clarence A. Ellis:
Office automation: The science that supports it (Panel Discussion). ACM Annual Conference 1980: 163
1970 – 1979
- 1978
- [j5]Clarence A. Ellis:
Analysis of some abstract measures of protection in computer systems. Int. J. Parallel Program. 7(3): 219-251 (1978) - 1977
- [j4]Clarence A. Ellis:
Probabilistic models of computer deadlock. Inf. Sci. 12(1): 43-60 (1977) - [c6]Clarence A. Ellis:
A Robust Algorithm for Updating Duplicate Databases. Berkeley Workshop 1977: 146-158 - [c5]Clarence A. Ellis:
Consistency and Correctness of Duplicate Database Systems. SOSP 1977: 67-84 - 1975
- [j3]Clarence A. Ellis:
Optimal scheduling of homogeneous job systems. Inf. Sci. 9(4): 323-358 (1975) - [c4]Clarence A. Ellis:
A practicum - seminar in structured programming. SIGCSE 1975: 86-94 - 1973
- [c3]Clarence A. Ellis:
On the Propability of Deadline in Computer Systems. SOSP 1973: 88-95 - 1972
- [j2]Clarence A. Ellis:
The Halting Problem for Probabilistic Context-Free Generators. J. ACM 19(3): 396-399 (1972) - 1971
- [j1]Clarence A. Ellis:
Probabilistic Tree Automata. Inf. Control. 19(5): 401-416 (1971) - [c2]Clarence A. Ellis:
Parallel compiling techniques. ACM Annual Conference 1971: 508-519 - 1970
- [c1]Clarence A. Ellis:
Probabilistic Tree Automata. STOC 1970: 198-205
Coauthor Index
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