Zhiqiang Cai

Zhiqiang Cai, Shun Zhang: Mixed methods for stationary Navier-Stokes equations based on pseudostress-pressure-velocity formulation. Math. Comput. 81(280) (2012)

Zhiqiang Cai, Shun Zhang: Robust Equilibrated Residual Error Estimator for Diffusion Problems: Conforming Elements. SIAM J. Numerical Analysis 50(1): 151-170 (2012)

Shubin Si, Hongyan Dui, Zhiqiang Cai, Shudong Sun: The Integrated Importance Measure of Multi-State Coherent Systems for Maintenance Processes. IEEE Transactions on Reliability 61(2): 266-273 (2012)

Carol Forsyth, Philip Pavlik Jr., Arthur C. Graesser, Zhiqiang Cai, Mae-Lynn Germany, Keith K. Millis, Heather Butler, Diane F. Halpern, Robert Dolan: Learning Gains for Core Concepts in a Serious Game on Scientific Reasoning. EDM 2012: 172-175

Scott A. Crossley, Zhiqiang Cai, Danielle S. McNamara: Syntagmatic, Paradigmatic, and Automatic N-Gram Approaches to Assessing Essay Quality. FLAIRS Conference 2012

Haiying Li, Zhiqiang Cai, Arthur C. Graesser, Ying Duan: A Comparative Study on English and Chinese Word Uses with LIWC. FLAIRS Conference 2012

Zhiqiang Cai, Carol Forsyth, Mae-Lynn Germany, Arthur C. Graesser, Keith K. Millis: Accuracy of Tracking Student's Natural Language in Operation ARIES!, A Serious Game for Scientific Methods. ITS 2012: 626-627

Zhiqiang Cai, Shudong Sun, Shubin Si, Bernard Yannou: Identifying product failure rate based on a conditional Bayesian network classifier. Expert Syst. Appl. 38(5): 5036-5043 (2011)

Zhiqiang Cai, Xiu Ye, Shun Zhang: Discontinuous Galerkin Finite Element Methods for Interface Problems: A Priori and A Posteriori Error Estimations. SIAM J. Numerical Analysis 49(5): 1761-1787 (2011)

Zhiqiang Cai, JaEun Ku: Goal-Oriented Local A Posteriori Error Estimators for H(div) Least-Squares Finite Element Methods. SIAM J. Numerical Analysis 49(6): 2564-2575 (2011)

Carol Forsyth, Arthur C. Graesser, Keith K. Millis, Zhiqiang Cai, Diane F. Halpern: OperationARIES!: Aliens, Spies and Research Methods. ACII (2) 2011: 311-312

Shi Feng, Zhiqiang Cai, Scott A. Crossley, Danielle S. McNamara: Simulating Human Ratings on Word Concreteness. FLAIRS Conference 2011

Rod D. Roscoe, Laura Varner, Zhiqiang Cai, Jennifer L. Weston, Scott A. Crossley, Danielle S. McNamara: Internal Usability Testing of Automated Essay Feedback in an Intelligent Writing Tutor. FLAIRS Conference 2011

Tao Xu, Qijun Chen, Zhiqiang Cai: Rebalance strategies for humanoids walking by foot positioning compensator based on adaptive heteroscedastic SpGPs. ICRA 2011: 563-568

Shubin Si, Guanmin Liu, Zhiqiang Cai, Peng Xia: Using Bayesian networks and importance measures to indentify tumour markers for breast cancer. IEEM 2011: 1826-1830

Shubin Si, Zhiqiang Cai, Shudong Sun, Shenggui Zhang: Integrated importance measures of multi-state systems under uncertainty. Computers & Industrial Engineering 59(4): 921-928 (2010)

Zhiqiang Cai, JaEun Ku: Optimal Error Estimate for the Div Least-squares Method with Data f∈L² and Application to Nonlinear Problems. SIAM J. Numerical Analysis 47(6): 4098-4111 (2010)

Zhiqiang Cai, Shun Zhang: Recovery-Based Error Estimators for Interface Problems: Mixed and Nonconforming Finite Elements. SIAM J. Numerical Analysis 48(1): 30-52 (2010)

Zhiqiang Cai, Chunbo Wang, Shun Zhang: Mixed Finite Element Methods for Incompressible Flow: Stationary Navier-Stokes Equations. SIAM J. Numerical Analysis 48(1): 79-94 (2010)

Zhiqiang Cai, Shun Zhang: Flux Recovery and A Posteriori Error Estimators: Conforming Elements for Scalar Elliptic Equations. SIAM J. Numerical Analysis 48(2): 578-602 (2010)

Shubin Si, Zhiqiang Cai, Shuai Zhang, Shudong Sun, Junqiang Wang: Hybrid Learning Mode for Industrial Engineering Specialized Courses in China. ICHL 2010: 316-325

Roger Azevedo, Amy M. Witherspoon, Amber Chauncey, Mihai C. Lintean, Zhiqiang Cai, Vasile Rus, Arthur C. Graesser: Deciphering the complex nature of log-file data collected during self-regulated learning with MetaTutor. ICLS 2010: 48

Arthur C. Graesser, Mary Anne Britt, Keith K. Millis, Patty Wallace, Diane F. Halpern, Zhiqiang Cai, Kris Kopp, Carol Forsyth: Critiquing Media Reports with Flawed Scientific Findings: Operation ARIES! A Game with Animated Agents and Natural Language Trialogues. Intelligent Tutoring Systems (2) 2010: 327-329

Zhiqiang Cai, Yanqiu Wang: An error estimate for two-dimensional Stokes driven cavity flow. Math. Comput. 78(266): 771-787 (2009)

Zhiqiang Cai, Shun Zhang: Recovery-Based Error Estimator for Interface Problems: Conforming Linear Elements. SIAM J. Numerical Analysis 47(3): 2132-2156 (2009)

Frank S. Attia, Zhiqiang Cai, Gerhard Starke: First-Order System Least Squares for the Signorini Contact Problem in Linear Elasticity. SIAM J. Numerical Analysis 47(4): 3027-3043 (2009)

Patricia S. Wallace, Arthur C. Graesser, Keith K. Millis, Diane F. Halpern, Zhiqiang Cai, Mary Anne Britt, Joseph Magliano, Katja Wiemer: Operation ARIES!: A Computerized Game for Teaching Scientific Inquiry. AIED 2009: 602-604

Roger Azevedo, Amy M. Witherspoon, Arthur C. Graesser, Danielle S. McNamara, Amber Chauncey, Emily Siler, Zhiqiang Cai, Vasile Rus, Mihai C. Lintean: MetaTutor: Analyzing Self-Regulated Learning in a Tutoring System for Biology. AIED 2009: 635-637

Amy M. Witherspoon, Roger Azevedo, Zhiqiang Cai: Learners' exploratory behavior within MetaTutor. AIED 2009: 644-646

Zhiqiang Cai, Arthur C. Graesser, Keith K. Millis, Diane F. Halpern, Patricia S. Wallace, Cristian Moldovan, Carol Forsyth: ARIES: An Intelligent Tutoring System Assisted by Conversational Agents. AIED 2009: 796

Mihai C. Lintean, Amy M. Witherspoon, Zhiqiang Cai, Roger Azevedo: Metatutor: An adaptive system for fostering self-regulated learning. AIED 2009: 801

Xiangen Hu, Zhiqiang Cai, Lu Han, Scotty D. Craig, Tianjiang Wang, Arthur C. Graesser: AutoTutor Lite. AIED 2009: 802

Roxanne B. Raine, Rieks op den Akker, Zhiqiang Cai, Arthur C. Graesser, Danielle S. McNamara: Synthesis and Analysis in Artificial Intelligence: The Role of Theory in Agent Implementation. DASC 2009: 266-269

Philip M. McCarthy, Zhiqiang Cai, Danielle S. McNamara: Computational Replication of Human Paraphrase Assessment. FLAIRS Conference 2009

Zhiqiang Cai, Yanqiu Wang: A Multigrid Method for the Pseudostress Formulation of Stokes Problems. SIAM J. Scientific Computing 29(5): 2078-2095 (2007)

Vasile Rus, Zhiqiang Cai, Arthur C. Graesser: Experiments on Generating Questions About Facts. CICLing 2007: 444-455

Phanni Penumatsa, Matthew Ventura, Arthur C. Graesser, Max M. Louwerse, Xiangen Hu, Zhiqiang Cai, Donald R. Franceschetti: The Right Threshold Value: What Is the Right Threshold of Cosine Measure When Using Latent Semantic Analysis for Evaluating Student Answers? International Journal on Artificial Intelligence Tools 15(5): 767-778 (2006)

Max M. Louwerse, Zhiqiang Cai, Xiangen Hu, Matthew Ventura, Patrick Jeuniaux: Cognitively Inspired Nlp-based Knowledge Representations: Further Explorations of Latent Semantic Analysis. International Journal on Artificial Intelligence Tools 15(6): 1021-1040 (2006)

Zhiqiang Cai, JaEun Ku: The L² Norm Error Estimates for the Div Least-Squares Method. SIAM J. Numerical Analysis 44(4): 1721-1734 (2006)

Max M. Louwerse, Zhiqiang Cai, Xiangen Hu, Matthew Ventura, Patrick Jeuniaux: The Embodiment of Amodal Symbolic Knowledge Representations. FLAIRS Conference 2005: 542-547

Andrew Olney, Zhiqiang Cai: An Orthonormal Basis for Entailment. FLAIRS Conference 2005: 554-559

Andrew Olney, Zhiqiang Cai: An Orthonormal Basis for Topic Segmentation in Tutorial Dialogue. HLT/EMNLP 2005

Zhiqiang Cai, Gerhard Starke: Least-Squares Methods for Linear Elasticity. SIAM J. Numerical Analysis 42(2): 826-842 (2004)

Zhiqiang Cai, Barry Lee, Ping Wang: Least-Squares Methods for Incompressible Newtonian Fluid Flow: Linear Stationary Problems. SIAM J. Numerical Analysis 42(2): 843-859 (2004)

Matthew Ventura, D. R. Franchescetti, P. Pennumatsa, Arthur C. Graesser, G. Tanner Jackson, Xiangen Hu, Zhiqiang Cai: Combining Computational Models of Short Essay Grading for Conceptual Physics Problems. Intelligent Tutoring Systems 2004: 423-431

David F. Dufty, Danielle S. McNamara, Max M. Louwerse, Zhiqiang Cai, Arthur C. Graesser: Automatic evaluation of aspects of document quality. SIGDOC 2004: 14-16

Zhiqiang Cai, Jim Douglas, Moongyu Park: Development and Analysis of Higher Order Finite Volume Methods over Rectangles for Elliptic Equations. Adv. Comput. Math. 19(1-3): 3-33 (2003)

Zhiqiang Cai, Gerhard Starke: First-Order System Least Squares for the Stress-Displacement Formulation: Linear Elasticity. SIAM J. Numerical Analysis 41(2): 715-730 (2003)

Xiangen Hu, Zhiqiang Cai, Max M. Louwerse, Andrew Olney, Phanni Penumatsa, Arthur C. Graesser: A Revised Algorithm for Latent Semantic Analysis. IJCAI 2003: 1489-1491

Zhiqiang Cai, Byeong Chun Shin: The Discrete First-Order System Least Squares: The Second-Order Elliptic Boundary Value Problem. SIAM J. Numerical Analysis 40(1): 307-318 (2002)

Thomas Y. Hou, Xiao-Hui Wu, Zhiqiang Cai: Convergence of a multiscale finite element method for elliptic problems with rapidly oscillating coefficients. Math. Comput. 68(227): 913-943 (1999)

Zhiqiang Cai, Steve McCormick: Computational Complexity of the Schwarz Alternating Procedure. International Journal of High Speed Computing 1(1): 1-28 (1989)