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ORCIDClifford A. Shaffer
- > Home > Persons > Clifford A. Shaffer
Publications
- 2024
[c84]Mohammed F. Farghally
, Mohammed Seyam, Cliff A. Shaffer:
Towards Establishing a Training Program to Support Future CS Teaching-focused Faculty. SIGCSE (1) 2024: 338-344- [c83]Mostafa Mohammed, Clifford A. Shaffer:
Teaching Formal Languages through Programmed Instruction. SIGCSE (1) 2024: 867-873 - [c82]Clifford A. Shaffer, Peter Brusilovsky, Ken Koedinger, Thomas W. Price, Tiffany Barnes, Behrooz Mostafavi:
Ninth SPLICE Workshop on Technology and Data Infrastructure for CS Education Research. SIGCSE (2) 2024: 1904 - 2023
- [c81]Samnyeong Heo, Mohammed F. Farghally, Mostafa Mohammed, Clifford A. Shaffer:
Analyzing Student Session Data in an eTextbook. iTextbooks@AIED 2023: 3-14 - 2021
- [j60]Ayaan M. Kazerouni, James C. Davis, Arinjoy Basak, Clifford A. Shaffer, Francisco Servant, Stephen H. Edwards:
Fast and accurate incremental feedback for students' software tests using selective mutation analysis. J. Syst. Softw. 175: 110905 (2021) - [c80]Mostafa Mohammed, Clifford A. Shaffer:
Increasing Student Interaction with an eTextbook using Programmed Instruction (short paper). iTextbooks@AIED 2021: 40-44 - [c78]Mostafa Mohammed, Clifford A. Shaffer:
Clickstream Data from a Formal Languages eTextbook (Abstract). EDM (Workshops) 2021 - [c77]Mostafa Mohammed, Clifford A. Shaffer, Susan H. Rodger:
Teaching Formal Languages with Visualizations and Auto-Graded Exercises. SIGCSE 2021: 569-575 - [c76]Clifford A. Shaffer, Ayaan M. Kazerouni:
The Impact of Programming Project Milestones on Procrastination, Project Outcomes, and Course Outcomes: A Quasi-Experimental Study in a Third-Year Data Structures Course. SIGCSE 2021: 907-913 - [c75]Mohammed F. Farghally, Mostafa Mohammed, Hamdy F. F. Mahmoud, Margaret Ellis, Derek Haqq, Molly Domino, Brett Jones, Clifford A. Shaffer:
The Online Transition of Two CS Courses in Response to COVID-19. SIGCSE 2021: 1251 - [c74]Mostafa Mohammed, Piexuan Ge, Samnyeong Heo, Clifford A. Shaffer:
Support for Programmed Instruction in an eTextbook. SIGCSE 2021: 1344 - 2020
- [j59]Sally Hamouda, Stephen H. Edwards, Hicham G. Elmongui, Jeremy V. Ernst, Clifford A. Shaffer:
BTRecurTutor: a tutorial for practicing recursion in binary trees. Comput. Sci. Educ. 30(2): 216-248 (2020) - [j57]Austin Cory Bart, Javier Tibau, Dennis G. Kafura, Clifford A. Shaffer, Eli Tilevich:
Design and Evaluation of a Block-based Environment with a Data Science Context. IEEE Trans. Emerg. Top. Comput. 8(1): 182-192 (2020) - [c73]Rifat Sabbir Mansur, Ayaan M. Kazerouni, Stephen H. Edwards, Clifford A. Shaffer:
Exploring the Bug Investigation Techniques of Intermediate Student Programmers. Koli Calling 2020: 2:1-2:10 - [c72]Hamza Manzoor, Amit Naik, Clifford A. Shaffer, Chris North, Stephen H. Edwards:
Auto-Grading Jupyter Notebooks. SIGCSE 2020: 1139-1144 - 2019
- [j56]Hamza Manzoor, Kamil Akhuseyinoglu, Jackson Wonderly, Peter Brusilovsky, Clifford A. Shaffer:
Crossing the Borders: Re-Use of Smart Learning Objects in Advanced Content Access Systems. Future Internet 11(7): 160 (2019) - [j55]Sally Hamouda, Stephen H. Edwards, Hicham G. Elmongui, Jeremy V. Ernst, Clifford A. Shaffer:
RecurTutor: An Interactive Tutorial for Learning Recursion. ACM Trans. Comput. Educ. 19(1): 1:1-1:25 (2019) - [j54]Minghan Chen, Brandon D. Amos, Layne T. Watson, John J. Tyson, Young Cao, Clifford A. Shaffer, Michael W. Trosset, Cihan Oguz, Gisella Kakoti:
Quasi-Newton Stochastic Optimization Algorithm for Parameter Estimation of a Stochastic Model of the Budding Yeast Cell Cycle. IEEE ACM Trans. Comput. Biol. Bioinform. 16(1): 301-311 (2019) - [c71]Mostafa Mohammed, Susan H. Rodger, Clifford A. Shaffer:
Using Programmed Instruction to Help Students Engage with eTextbook Content. iTextbooks@AIED 2019: 135-145 - [c70]Margaret Ellis, Clifford A. Shaffer, Stephen H. Edwards:
Approaches for Coordinating eTextbooks, Online Programming Practice, Automated Grading, and More into One Course. SIGCSE 2019: 126-132 - [c69]Austin Cory Bart, Clifford A. Shaffer:
What Have We Talked About? SIGCSE 2019: 175-180 - [c68]Ayaan M. Kazerouni, Clifford A. Shaffer, Stephen H. Edwards, Francisco Servant:
Assessing Incremental Testing Practices and Their Impact on Project Outcomes. SIGCSE 2019: 407-413 - [c67]Ayaan M. Kazerouni, Riffat Sabbir Mansur, Stephen H. Edwards, Clifford A. Shaffer:
Student Debugging Practices and Their Relationships with Project Outcomes. SIGCSE 2019: 1263 - [c66]Mostafa Mohammed, Clifford A. Shaffer, Susan H. Rodger:
Using Interactive Visualization and Programmed Instruction to Teach Formal Languages. SIGCSE 2019: 1263 - 2018
- [j53]Kyu Han Koh, Eric Fouh, Mohammed F. Farghally, Hossameldin Shahin, Clifford A. Shaffer:
Experience: Learner Analytics Data Quality for an eTextbook System. ACM J. Data Inf. Qual. 9(2): 10:1-10:10 (2018) - [j52]Thomas C. Jones Jr, Stefan Hoops, Layne T. Watson, Alida Palmisano, John J. Tyson, Clifford A. Shaffer:
JigCell Model Connector: building large molecular network models from components. Simul. 94(11) (2018) - [c65]Austin Cory Bart, Dennis G. Kafura, Clifford A. Shaffer, Eli Tilevich:
Reconciling the Promise and Pragmatics of Enhancing Computing Pedagogy with Data Science. SIGCSE 2018: 1029-1034 - [c64]Clifford A. Shaffer, Peter Brusilovsky, Kenneth R. Koedinger, Stephen H. Edwards:
CS Education Infrastructure for All: Interoperability for Tools and Data Analytics (Abstract Only). SIGCSE 2018: 1063 - [c63]Mostafa Mohammed, Sushma Mandava, Jieun Chon, Margaret Ellis, Clifford A. Shaffer:
An Interactive Tutorial for Learning to Manipulate References: (Abstract Only). SIGCSE 2018: 1084 - 2017
- [j51]Austin Cory Bart, Javier Tibau, Eli Tilevich, Clifford A. Shaffer, Dennis G. Kafura:
BlockPy: An Open Access Data-Science Environment for Introductory Programmers. Computer 50(5): 18-26 (2017) - [j50]Sally Hamouda, Stephen H. Edwards, Hicham G. Elmongui, Jeremy V. Ernst, Clifford A. Shaffer:
A basic recursion concept inventory. Comput. Sci. Educ. 27(2): 121-148 (2017) - [j49]Austin Cory Bart, Ryan Whitcomb, Dennis G. Kafura, Clifford A. Shaffer, Eli Tilevich:
Computing with CORGIS: Diverse, Real-world Datasets for Introductory Computing. Inroads 8(2): 66-72 (2017) - [c62]Ayaan M. Kazerouni, Stephen H. Edwards, Clifford A. Shaffer:
Quantifying Incremental Development Practices and Their Relationship to Procrastination. ICER 2017: 191-199 - [c61]Ayaan M. Kazerouni, Stephen H. Edwards, T. Simin Hall, Clifford A. Shaffer:
DevEventTracker: Tracking Development Events to Assess Incremental Development and Procrastination. ITiCSE 2017: 104-109 - [c60]Austin Cory Bart, Ryan Whitcomb, Dennis G. Kafura, Clifford A. Shaffer, Eli Tilevich:
Computing with CORGIS: Diverse, Real-world Datasets for Introductory Computing. SIGCSE 2017: 57-62 - [c59]Mohammed F. Farghally, Kyu Han Koh, Hossameldin Shahin, Clifford A. Shaffer:
Evaluating the Effectiveness of Algorithm Analysis Visualizations. SIGCSE 2017: 201-206 - [c58]Mohammed F. Farghally, Kyu Han Koh, Jeremy V. Ernst, Clifford A. Shaffer:
Towards a Concept Inventory for Algorithm Analysis Topics. SIGCSE 2017: 207-212 - 2016
- [j48]Sally Hamouda, Clifford A. Shaffer:
Crib sheets and exam performance in a data structures course. Comput. Sci. Educ. 26(1): 1-26 (2016) - [j47]Ville Karavirta, Clifford A. Shaffer:
Creating Engaging Online Learning Material with the JSAV JavaScript Algorithm Visualization Library. IEEE Trans. Learn. Technol. 9(2): 171-183 (2016) - [c57]Austin Cory Bart, Javier Tibau, Eli Tilevich, Clifford A. Shaffer, Dennis G. Kafura:
Implementing an Open-Access, Data Science Programming Environment for Learners. COMPSAC 2016: 728-737 - [c56]Eric Fouh, Mohammed F. Farghally, Sally Hamouda, Kyu Han Koh, Clifford A. Shaffer:
Investigating Difficult Topics in a Data Structures Course Using Item Response Theory and Logged Data Analysis. EDM 2016: 370-375 - [c54]Austin Cory Bart, Clifford A. Shaffer:
Instructional Design is to Teaching as Software Engineering is to Programming. SIGCSE 2016: 240-241 - [c53]Mohammed F. Farghally, Eric Fouh, Sally Hamouda, Kyu Han Koh, Clifford A. Shaffer:
Visualizing Algorithm Analysis Topics (Abstract Only). SIGCSE 2016: 687 - [c52]Clifford A. Shaffer, Thomas L. Naps, Susan H. Rodger:
Using OpenDSA eTextbooks in Your Class (Abstract Only). SIGCSE 2016: 713 - 2015
- [j46]Alida Palmisano, Stefan Hoops, Layne T. Watson, Thomas C. Jones Jr, John J. Tyson, Clifford A. Shaffer:
JigCell Run Manager (JC-RM): a tool for managing large sets of biochemical model parametrizations. BMC Syst. Biol. 9: 95 (2015) - [j45]Tae-Hyuk Ahn, Adrian Sandu, Layne T. Watson, Clifford A. Shaffer, Yang Cao, William T. Baumann:
A Framework to Analyze the Performance of Load Balancing Schemes for Ensembles of Stochastic Simulations. Int. J. Parallel Program. 43(4): 597-630 (2015) - [c51]Joshua Martin, Stephen H. Edwards, Clifford A. Shaffer:
The Effects of Procrastination Interventions on Programming Project Success. ICER 2015: 3-11 - [c50]Stephen H. Edwards, Joshua Martin, Clifford A. Shaffer:
Examining Classroom Interventions to Reduce Procrastination. ITiCSE 2015: 254-259 - [c49]Michael S. Kirkpatrick, Janice E. Cuny, Mark Guzdial, Amanda M. Holland-Minkley, Clifford A. Shaffer:
Best Practices for IRB Approval: Four Perspectives. SIGCSE 2015: 267-268 - [c48]Orit Hazzan, Clifford A. Shaffer:
Big Data in Computer Science Education Research. SIGCSE 2015: 591-592 - [c47]Lillian (Boots) Cassel, Cynthia Bailey Lee, Clifford A. Shaffer, Darina Dicheva:
Open Educational Resources: What Next? (Abstract Only). SIGCSE 2015: 701 - [c46]Eli Tilevich, Clifford A. Shaffer, Austin Cory Bart:
Creating Stimulating, Relevant, and Manageable Introductory Computer Science Projects that Utilize Real-Time, Large, Web-Based Datasets (Abstract Only). SIGCSE 2015: 711 - 2014
- [j44]Alida Palmisano, Stefan Hoops, Layne T. Watson, Thomas C. Jones Jr, John J. Tyson, Clifford A. Shaffer:
Multistate Model Builder (MSMB): a flexible editor for compact biochemical models. BMC Syst. Biol. 8: 42 (2014) - [j43]Eric Fouh, Daniel A. Breakiron, Sally Hamouda, Mohammed F. Farghally, Clifford A. Shaffer:
Exploring students learning behavior with an interactive etextbook in computer science courses. Comput. Hum. Behav. 41: 478-485 (2014) - [j41]Eric Fouh, Ville Karavirta, Daniel A. Breakiron, Sally Hamouda, T. Simin Hall, Thomas L. Naps, Clifford A. Shaffer:
Design and architecture of an interactive eTextbook - The OpenDSA system. Sci. Comput. Program. 88: 22-40 (2014) - [j40]Matthew L. Cooper, Clifford A. Shaffer, Stephen H. Edwards, Sean P. Ponce:
Open source software and the algorithm visualization community. Sci. Comput. Program. 88: 82-91 (2014) - [c45]Monika Akbar, Clifford A. Shaffer, Weiguo Fan, Edward A. Fox:
Recommendation based on Deduced Social Networks in an educational digital library. JCDL 2014: 29-38 - [c44]Austin Cory Bart, Eli Tilevich, T. Simin Hall, Tony Allevato, Clifford A. Shaffer:
Transforming introductory computer science projects via real-time web data. SIGCSE 2014: 289-294 - [c43]Daniel A. Breakiron, Eric Fouh, Sally Hamouda, Clifford A. Shaffer:
Analysis of interaction logs for online tutorials (abstract only). SIGCSE 2014: 709 - [c42]Eli Tilevich, Clifford A. Shaffer, Austin Cory Bart:
Creating stimulating, relevant, and manageable introductory computer science projects that utilize real-time web-based data (abstract only). SIGCSE 2014: 743 - 2013
- [j39]Alex Verstak, Naren Ramakrishnan, Layne T. Watson, Jian He, Clifford A. Shaffer, Ananth Grama:
Using hierarchical data mining to characterize performance of wireless system configurations. Adv. Eng. Softw. 65: 66-77 (2013) - [c41]Ari Korhonen, Thomas L. Naps, Charles Boisvert, Pilu Crescenzi, Ville Karavirta, Linda Mannila, Bradley Miller, Briana B. Morrison, Susan H. Rodger, Rocky Ross, Clifford A. Shaffer:
Requirements and design strategies for open source interactive computer science eBooks. ITiCSE-WGR 2013: 53-72 - [c40]Ville Karavirta, Clifford A. Shaffer:
JSAV: the JavaScript algorithm visualization library. ITiCSE 2013: 159-164 - [c39]Edward F. Gehringer, Beth Lang Golub, Randi Cohen, David M. Arnow, Clifford A. Shaffer:
Panel: textbook pricing, present and future. SIGCSE 2013: 633-634 - [c38]Eric Fouh, Daniel A. Breakiron, Mai Elshehaly, T. Simin Hall, Ville Karavirta, Clifford A. Shaffer:
OpenDSA: using an active eTextbook to teach data structures and algorithms (abstract only). SIGCSE 2013: 734 - [c37]Steven C. Shaffer, Clifford A. Shaffer:
Automated generation and grading of programming assignments (abstract only). SIGCSE 2013: 745 - 2012
- [c36]Monika Akbar, Clifford A. Shaffer, Edward A. Fox:
Deduced social networks for an educational digital library. JCDL 2012: 43-46 - [c35]Monika Akbar, Clifford A. Shaffer:
User type clustering to refine search and browse for educational resources (abstract only). SIGCSE 2012: 666 - [c33]Eric Fouh, Maoyuan Sun, Clifford A. Shaffer:
OpenDSA: a creative commons active-ebook (abstract only). SIGCSE 2012: 721 - 2011
- [c32]Monika Akbar, Weiguo Fan, Clifford A. Shaffer, Yinlin Chen, Lillian N. Cassel, Lois M. L. Delcambre, Daniel D. Garcia, Gregory W. Hislop, Frank M. Shipman III, Richard Furuta, B. Stephen Carpenter II, Hao-wei Hsieh, Bob Siegfried, Edward A. Fox:
Digital Library 2.0 for Educational Resources. TPDL 2011: 89-100 - [c31]Clifford A. Shaffer, Stephen H. Edwards:
Scheduling and student performance. ITiCSE 2011: 331 - [c30]Monika Akbar, Weiguo Fan, Lillian N. Cassel, Lois M. L. Delcambre, Clifford A. Shaffer, Edward A. Fox, Yinlin Chen:
How educators find educational resources online. ITiCSE 2011: 367 - [c29]Clifford A. Shaffer, Ville Karavirta, Ari Korhonen, Thomas L. Naps:
OpenDSA: beginning a community active-eBook project. Koli Calling 2011: 112-117 - [c28]Clifford A. Shaffer, Monika Akbar, Alexander Joel D. Alon, Michael Stewart, Stephen H. Edwards:
Getting algorithm visualizations into the classroom. SIGCSE 2011: 129-134 - 2010
- [j38]Clifford A. Shaffer, Matthew L. Cooper, Alexander Joel D. Alon, Monika Akbar, Michael Stewart, Sean P. Ponce, Stephen H. Edwards:
Algorithm Visualization: The State of the Field. ACM Trans. Comput. Educ. 10(3): 9:1-9:22 (2010) - [j37]Ranjit Randhawa, Clifford A. Shaffer, John J. Tyson:
Model Composition for Macromolecular Regulatory Networks. IEEE ACM Trans. Comput. Biol. Bioinform. 7(2): 278-287 (2010) - [c27]Edward A. Fox, Yinlin Chen, Monika Akbar, Clifford A. Shaffer, Stephen H. Edwards, Peter Brusilovsky, Daniel D. Garcia, Lois M. L. Delcambre, Felicia Decker, David W. Archer, Richard Furuta, Frank M. Shipman III, Stephen Carpenter, Lillian N. Cassel:
Ensemble PDP-8: eight principles for distributed portals. JCDL 2010: 341-344 - [c26]Clifford A. Shaffer, Thomas L. Naps, Susan H. Rodger, Stephen H. Edwards:
Building an online educational community for algorithm visualization. SIGCSE 2010: 475-476 - [c25]Zhen Liu, Umme Juka Mobassera, Clifford A. Shaffer, Layne T. Watson, Yang Cao:
Multistate modeling and simulation for regulatory networks. WSC 2010: 631-642 - 2009
- [j36]Ranjit Randhawa, Clifford A. Shaffer, John J. Tyson:
Model aggregation: a building-block approach to creating large macromolecular regulatory networks. Bioinform. 25(24): 3289-3295 (2009) - [c24]Tae-Hyuk Ahn, Pengyuan Wang, Layne T. Watson, Yang Cao, Clifford A. Shaffer, William T. Baumann:
Stochastic cell cycle modeling for budding yeast. SpringSim 2009 - [e1]Gabriel A. Wainer, Clifford A. Shaffer, Robert M. McGraw, Michael J. Chinni:
Proceedings of the 2009 Spring Simulation Multiconference, SpringSim 2009, San Diego, California, USA, March 22-27, 2009. SCS/ACM 2009 [contents] - 2008
- [j35]Thomas D. Panning, Layne T. Watson, Nicholas A. Allen, Katherine C. Chen, Clifford A. Shaffer, John J. Tyson:
Deterministic parallel global parameter estimation for a model of the budding yeast cell cycle. J. Glob. Optim. 40(4): 719-738 (2008) - [c23]Pengyuan Wang, Ranjit Randhawa, Clifford A. Shaffer, Yang Cao, William T. Baumann:
Converting macromolecular regulatory models from deterministic to stochastic formulation. SpringSim 2008: 385-392 - 2007
- [j34]Thomas D. Panning, Layne T. Watson, Clifford A. Shaffer, John J. Tyson:
A Mathematical Programming Formulation for the Budding Yeast Cell Cycle. Simul. 83(7): 497-514 (2007) - [j33]Dhananjay Mishra, Clifford A. Shaffer, Naren Ramakrishnan, Layne T. Watson, Kyung Kyoon Bae, Jian He, Alex Verstak, William H. Tranter:
S4W: a problem-solving environment for wireless system design. Softw. Pract. Exp. 37(14): 1539-1558 (2007) - [c22]Clifford A. Shaffer, Matthew Cooper, Stephen H. Edwards:
Algorithm visualization: a report on the state of the field. SIGCSE 2007: 150-154 - [c21]Ranjit Randhawa, Clifford A. Shaffer, John J. Tyson:
Fusing and composing macromolecular regulatory network models. SpringSim (2) 2007: 337-344 - 2006
- [j31]Marc Vass, Clifford A. Shaffer, Naren Ramakrishnan, Layne T. Watson, John J. Tyson:
The JigCell Model Builder: A Spreadsheet Interface for Creating Biochemical Reaction Network Models. IEEE ACM Trans. Comput. Biol. Bioinform. 3(2): 155-164 (2006) - [c20]Clifford A. Shaffer, Ranjit Randhawa, John J. Tyson:
The role of composition and aggregation in modeling macromolecular regulatory networks. WSC 2006: 1628-1636 - [c19]Herbert M. Sauro, David Harel, Marta Z. Kwiatkowska, Clifford A. Shaffer, Adelinde M. Uhrmacher, Michael Hucka, Pedro Mendes, Lena Strömbäck, John J. Tyson:
Challenges for modeling and simulation methods in systems biology. WSC 2006: 1720-1730 - 2005
- [c18]Nicholas A. Allen, Clifford A. Shaffer, Layne T. Watson:
Building modeling tools that support verification, validation, and testing for the domain expert. WSC 2005: 419-426 - 2004
- [j30]Marc Vass, Nicholas A. Allen, Clifford A. Shaffer, Naren Ramakrishnan, Layne T. Watson, John J. Tyson:
The JigCell Model Builder and Run Manager. Bioinform. 20(18): 3680-3681 (2004) - [j29]Roger R. Skidmore, Alex Verstak, Naren Ramakrishnan, Theodore S. Rappaport, Layne T. Watson, Jian He, Srinidhi Varadarajan, Clifford A. Shaffer, Jeremy K.-P. Chen, Kyung Kyoon Bae, Jing Jiang, William H. Tranter:
Towards integrated PSEs for wireless communications: experiences with the S4W and SitePlanner® projects. ACM SIGMOBILE Mob. Comput. Commun. Rev. 8(2): 20-34 (2004) - [j28]Jian He, Alex Verstak, Layne T. Watson, C. A. Stinson, Naren Ramakrishnan, Clifford A. Shaffer, Theodore S. Rappaport, Christopher Robert Anderson, Kyung Kyoon Bae, Jing Jiang, William H. Tranter:
Globally optimal transmitter placement for indoor wireless communication systems. IEEE Trans. Wirel. Commun. 3(6): 1906-1911 (2004) - [c16]Jian He, Masha Sosonkina, Clifford A. Shaffer, John J. Tyson, Layne T. Watson, Jason W. Zwolak:
A Hierarchical Parallel Scheme for Global Parameter Estimation in Systems Biology. IPDPS 2004 - [c14]Purvi Saraiya, Clifford A. Shaffer, D. Scott McCrickard, Chris North:
Effective features of algorithm visualizations. SIGCSE 2004: 382-386 - 2003
- [j27]E. J. Rubin, Clifford A. Shaffer, Naren Ramakrishnan, Layne T. Watson, Randel L. Dymond, David F. Kibler, R. Dietz, Jeffrey G. Chanat, Vinod Lohani, Darrell Bosch, Cameron Speir:
From landscapes to waterscapes: A PSE for landuse change analysis. Eng. Comput. 19(1): 9-25 (2003) - [j26]Nicholas A. Allen, Clifford A. Shaffer, Naren Ramakrishnan, Marc T. Vass, Layne T. Watson:
Improving the Development Process for Eukaryotic Cell Cycle Models with a Modeling Support Environment. Simul. 79(12): 674-688 (2003) - [j25]Alex Verstak, Naren Ramakrishnan, Layne T. Watson, Jian He, Clifford A. Shaffer, Kyung Kyoon Bae, Jing Jiang, William H. Tranter, Theodore S. Rappaport:
BSML: A binding schema markup language for data interchange in problem solving environments. Sci. Program. 11(3): 199-224 (2003) - [c13]Nicholas A. Allen, Clifford A. Shaffer, Marc Vass, Naren Ramakrishnan, Layne T. Watson:
Next generation modeling II - applications: improving the development process for eukaryotic cell cycle models with a modeling support environment. WSC 2003: 782-790 - 2002
- [j24]Jian He, Layne T. Watson, Naren Ramakrishnan, Clifford A. Shaffer, Alex Verstak, Jing Jiang, Kyung Kyoon Bae, William H. Tranter:
Dynamic Data Structures for a Direct Search Algorithm. Comput. Optim. Appl. 23(1): 5-25 (2002) - [j23]Naren Ramakrishnan, Layne T. Watson, Dennis G. Kafura, Calvin J. Ribbens, Clifford A. Shaffer:
Programming environments for multidisciplinary Grid communities. Concurr. Comput. Pract. Exp. 14(13-15): 1241-1273 (2002) - [c12]Marc Vass, John M. Carroll, Clifford A. Shaffer:
Supporting creativity in problem solving environments. Creativity & Cognition 2002: 31-37 - [c11]Alex Verstak, Jian He, Layne T. Watson, Naren Ramakrishnan, Clifford A. Shaffer, Theodore S. Rappaport, Christopher Robert Anderson, Kyung Kyoon Bae, Jing Jiang, William H. Tranter:
S4W: Globally Optimized Design of Wireless Communications Systems. IPDPS 2002 - [i2]Alex Verstak, Naren Ramakrishnan, Layne T. Watson, Jian He, Clifford A. Shaffer, Kyung Kyoon Bae, Jing Jiang, William H. Tranter, Theodore S. Rappaport:
BSML: A Binding Schema Markup Language for Data Interchange in Problem Solving Environments (PSEs). CoRR cs.CE/0202027 (2002) - [i1]Alex Verstak, Naren Ramakrishnan, Kyung Kyoon Bae, William H. Tranter, Layne T. Watson, Jian He, Clifford A. Shaffer, Theodore S. Rappaport:
Using Hierarchical Data Mining to Characterize Performance of Wireless System Configurations. CoRR cs.CE/0208040 (2002) - 2001
- [j22]Amit Goel, Chuck A. Baker, Clifford A. Shaffer, Bernard Grossman, William H. Mason, Layne T. Watson, Raphael T. Haftka:
VizCraft: a problem-solving environment for aircraft configuration design. Comput. Sci. Eng. 3(1): 56-66 (2001) - [j21]James Begole, Randall B. Smith, Craig A. Struble, Clifford A. Shaffer:
Resource sharing for replicated synchronous groupware. IEEE/ACM Trans. Netw. 9(6): 833-843 (2001) - 1999
- [j20]Stephen H. Edwards, Clifford A. Shaffer:
An Analysis of a Course-Oriented Electronic Mailing List. Comput. Sci. Educ. 9(1): 8-22 (1999) - [j19]Amit Goel, Constantinos Phanouriou, Frederick A. Kamke, Calvin J. Ribbens, Clifford A. Shaffer, Layne T. Watson:
WBCSim: A Prototype Problem Solving Environment for Wood-Based Composites Simulations. Eng. Comput. 15(2): 198-210 (1999) - [j18]James Begole, Mary Beth Rosson, Clifford A. Shaffer:
Flexible collaboration transparency: supporting worker independence in replicated application-sharing systems. ACM Trans. Comput. Hum. Interact. 6(2): 95-132 (1999) - [c10]Amit Goel, Chuck Baker, Clifford A. Shaffer, Bernard Grossman, Raphael T. Haftka, William H. Mason, Layne T. Watson:
VizCraft: A Multidimensional Visualization Tool for Aircraft Configuration Design. IEEE Visualization 1999: 425-428 - 1998
- [c9]James Begole, Mary Beth Rosson, Clifford A. Shaffer:
Supporting Worker Independence in Collaboration Transparency. ACM Symposium on User Interface Software and Technology 1998: 133-142 - [c8]Clifford A. Shaffer, Duane L. Knill, Layne T. Watson:
Visualization for multiparameter aircraft designs. IEEE Visualization 1998: 491-494 - 1997
- [j17]James Begole, Craig A. Struble, Clifford A. Shaffer:
Leveraging Java Applets: Toward Collaboration Transparency in Java. IEEE Internet Comput. 1(2): 57-64 (1997) - [c7]James Begole, Craig A. Struble, Clifford A. Shaffer, Randall B. Smith:
Transparent Sharing of Java Applets: A Replicated Approach. ACM Symposium on User Interface Software and Technology 1997: 55-64 - 1996
- [c6]Clifford A. Shaffer, Lenwood S. Heath, Jun Yang:
Using the Swan data structure visualization system for computer science education. SIGCSE 1996: 140-144 - 1995
- [c5]Jun Yang, Clifford A. Shaffer, Lenwood S. Heath:
SWAN: A Data Structure Visualization System. GD 1995: 520-523 - 1994
- [j16]Sriram V. Pemmaraju, Clifford A. Shaffer:
Analysis of the Worst Case Space Complexity of a PR Quadtree. Inf. Process. Lett. 49(5): 263-267 (1994) - 1993
- [j15]Clifford A. Shaffer, Ramana Juvvadi, Lenwood S. Heath:
Generalized comparison of quadtree and bintree storage requirements. Image Vis. Comput. 11(7): 402-412 (1993) - [c4]Clifford A. Shaffer, Patrick R. Brown:
A Paging Scheme for Pointer-Based Quadtrees. SSD 1993: 89-104 - 1991
- [j12]Clifford A. Shaffer, Quentin F. Stout:
Linear time distance transforms for quadtrees. CVGIP Image Underst. 54(2): 215-223 (1991) - [c3]Patrick R. Brown, Clifford A. Shaffer, Robert E. Webber:
A paging scheme for pointer-based quadtrees (abstract only). ACM Conference on Computer Science 1991: 687 - 1990
- [j11]Clifford A. Shaffer, Hanan Samet:
Set Operations for Unaligned Linear Quadtrees. Comput. Vis. Graph. Image Process. 50(1): 29-49 (1990) - [j10]Clifford A. Shaffer, Hanan Samet, Randal C. Nelson:
QUILT: a geographic information system based on quadtrees. Int. J. Geogr. Inf. Sci. 4(2): 103-131 (1990) - [j9]Chuan-Heng Ang, Hanan Samet, Clifford A. Shaffer:
A New Region Expansion for Quadtrees. IEEE Trans. Pattern Anal. Mach. Intell. 12(7): 682-686 (1990) - [j8]David N. Oskard, Tsai-Hong Hong, Clifford A. Shaffer:
Real-time algorithms and data structures for underwater mapping. IEEE Trans. Syst. Man Cybern. 20(6): 1469-1475 (1990) - 1988
- [j7]Clifford A. Shaffer, Hanan Samet:
Algorithm to expand regions represented by linear quadtrees. Image Vis. Comput. 6(3): 162-168 (1988) - 1987
- [j5]Clifford A. Shaffer, Hanan Samet:
Optimal quadtree construction algorithms. Comput. Vis. Graph. Image Process. 37(3): 402-419 (1987) - [j4]Hanan Samet, Clifford A. Shaffer, Robert E. Webber:
Digitizing the Plane with Cells of Nonuniform Size. Inf. Process. Lett. 24(6): 369-375 (1987) - 1985
- [j3]Hanan Samet, Clifford A. Shaffer:
A Model for the Analysis of Neighbor Finding in Pointer-Based Quadtrees. IEEE Trans. Pattern Anal. Mach. Intell. 7(6): 717-720 (1985) - 1984
- [j2]Hanan Samet, Azriel Rosenfeld, Clifford A. Shaffer, Robert E. Webber:
A geographic information system using quadtrees. Pattern Recognit. 17(6): 647-656 (1984) - 1983
- [j1]Hanan Samet, Azriel Rosenfeld, Clifford A. Shaffer, Robert E. Webber:
Quadtree region representation in cartography: Experimental results. IEEE Trans. Syst. Man Cybern. 13(6): 1148-1154 (1983)
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