Artificial Intelligence ELSEVIER Artificial Intelligence 123 (2000) 279-280 www.elsevier.com/locate/artint Author Index—Volume 123 (2000) Chella, A., M. Frixione and S. Gaglio Understanding dynamic scenes Choi, K.M.F., J.H.M. Lee and P.J. Stuckey A Lagrangian reconstruction of GENET Delgrande, J.P. and T. Schaub Expressing preferences in default logic 41- 87 Etxeberria, R., see Inza, I. 157-184 Frixione, M., see Chella, A. 89-132 Gaglio, S., see Chella, A. 89-132 Gent, I., K. Stergiou and T. Walsh Decomposable constraints 133-156 Inoue, K., see Sakama, C. 185-222 Inza, I., P. Larrafiaga, R. Etxeberria and B. Sierra Feature Subset Selection by Bayesian network-based optimization 157-184 Koubarakis, M. and S. Skiadopoulos Querying temporal and spatial constraint networks in PTIME 223-263 Larrafiaga, P., see Inza, I. 157-184 Lee, J.H.M., see Choi, K.M.F. 1- 39 Lifschitz, V. M. Shanahan, Solving the Frame Problem (Book Review) 265-268 McCarthy, J. M. Shanahan, Solving the Frame Problem (Book Review) 269-270 Sakama, C. and K. Inoue Prioritized logic programming and its application to commonsense reasoning 185-222 Sandewall, E. 271-273 M. Shanahan, Solving the Frame Problem (Book Review) 41- 87 Schaub, T., see Delgrande, J.P. 275 M. Shanahan, Solving the Frame Problem (Response) 157-184 Sierra, B., see Inza, I. 223-263 Skiadopoulos, S., see Koubarakis, M. 133-156 Stergiou, K., see Gent, I. Elsevier Science B.V. 280 Author Index—Volume 123 / Artificial Intelligence 123 (2000) 279-280 Stuckey, P.J., see Choi, K.M.F. 1- 39 Walsh, T., see Gent, I. 133-156