Program of ECML-98

Dorint-Parkhotel, Chemnitz, Germany

Tuesday, 21 April 1998, OPENING
Time Event
09:00-09:30 Opening

**Tuesday, 21 April 1998, OPENING**
Time	Event
09:00-09:30	Opening

Tuesday, 21 April 1998, INVITED TALK (1)
Time Presentation
09:30-10:30 "Naive (Bayes) at Forty: The Independence Assumption in Information Retrieval",
D. D. Lewis

**Tuesday, 21 April 1998, INVITED TALK (1)**
Time	Presentation
09:30-10:30	"Naive (Bayes) at Forty: The Independence Assumption in Information Retrieval", D. D. Lewis

Tuesday, 21 April 1998, FEATURE SELECTION
Time Presentation
10:30-10:45 "Feature subset selection in text learning",
D. Mladenic
10:45-11:00 "A Monotonic Measure for Optimal Feature Selection",
H. Liu, H. Motoda, M. Dash

**Tuesday, 21 April 1998, FEATURE SELECTION**
Time	Presentation
10:30-10:45	"Feature subset selection in text learning", D. Mladenic
10:45-11:00	"A Monotonic Measure for Optimal Feature Selection", H. Liu, H. Motoda, M. Dash

Tuesday, 21 April 1998, COFFEE BREAK
Time Event
11:00-11:30 Coffee Break

Tuesday, 21 April 1998, *COFFEE BREAK*
Time	Event
11:00-11:30	Coffee Break

Tuesday, 21 April 1998, APPLICATION OF ML TO NLP
Time Presentation
11:30-11:45 "Learning Verbal Transitivity using Loglinear Models",
N. M. Marques, G. P. Lopes, C. A. Coelho
11:45-12:15 "Part-of-Speech Tagging Using Decision Trees",
L. Màrquez, H. Rodríguez
12:15-12:30 "Inference of finite automata: Reducing the Search Space with an ordering of pairs of states",
F. Coste, J. Nicolas

**Tuesday, 21 April 1998, APPLICATION OF ML TO NLP**
Time	Presentation
11:30-11:45	"Learning Verbal Transitivity using Loglinear Models", N. M. Marques, G. P. Lopes, C. A. Coelho
11:45-12:15	"Part-of-Speech Tagging Using Decision Trees", L. Màrquez, H. Rodríguez
12:15-12:30	"Inference of finite automata: Reducing the Search Space with an ordering of pairs of states", F. Coste, J. Nicolas

Tuesday, 21 April 1998, APPLICATIONS (1)
Time Presentation
12:30-12:45 "Automatic Acquisition of lexical Knowledgefrom sparse and noisy Data",
R. Schneider
12:45-13:00 "A Normalization Method For Contextual Data: Experience From A Large-Scale Application",
S. Létourneau, S. Matwin, F. Famili

**Tuesday, 21 April 1998, APPLICATIONS (1)**
Time	Presentation
12:30-12:45	"Automatic Acquisition of lexical Knowledgefrom sparse and noisy Data", R. Schneider
12:45-13:00	"A Normalization Method For Contextual Data: Experience From A Large-Scale Application", S. Létourneau, S. Matwin, F. Famili

Tuesday, 21 April 1998, LUNCH
Time Event
13:00-14:00 Lunch

Tuesday, 21 April 1998, *LUNCH*
Time	Event
13:00-14:00	Lunch

Tuesday, 21 April 1998, BAYESIAN NETWORKS
Time Presentation
14:00-14:30 "Bayes Optimal Instance-Based Learning",
P. Kontkanen, P. Myllymäki, T. Silander, H. Tirri
14:30-14:45 "Bayesian and Information-Theoretic Priors for Bayesian Network Parameters",
P. Kontkanen, P. Myllymäki, T. Silander, H. Tirri, P. Grünwald

**Tuesday, 21 April 1998, BAYESIAN NETWORKS**
Time	Presentation
14:00-14:30	"Bayes Optimal Instance-Based Learning", P. Kontkanen, P. Myllymäki, T. Silander, H. Tirri
14:30-14:45	"Bayesian and Information-Theoretic Priors for Bayesian Network Parameters", P. Kontkanen, P. Myllymäki, T. Silander, H. Tirri, P. Grünwald

Tuesday, 21 April 1998, MULTIPLE MODELS FOR CLASSIFICATION (1)
Time Presentation
14:45-15:15 "Classification Learning Using All Rules",
M. Viswanathan, G. Webb
15:15-15:45 "Improved Pairwise Coupling Classification With Correcting Classifiers",
M. Moreira, E. Mayoraz
15:45-16:00 "Experiments on solving multiclass learning problems by n2-classifier",
J. Jelonek, J. Stefanowski

**Tuesday, 21 April 1998, MULTIPLE MODELS FOR CLASSIFICATION (1)**
Time	Presentation
14:45-15:15	"Classification Learning Using All Rules", M. Viswanathan, G. Webb
15:15-15:45	"Improved Pairwise Coupling Classification With Correcting Classifiers", M. Moreira, E. Mayoraz
15:45-16:00	"Experiments on solving multiclass learning problems by n2-classifier", J. Jelonek, J. Stefanowski

Tuesday, 21 April 1998, COFFEE BREAK
Time Event
16:00-16:30 Coffee Break

Tuesday, 21 April 1998, *COFFEE BREAK*
Time	Event
16:00-16:30	Coffee Break

Tuesday, 21 April 1998, MULTIPLE MODELS FOR CLASSIFICATION (2)
Time Presentation
16:30-17:00 "Combining Classifiers with constructive Induction",
J. Gama
17:00-17:15 "Boosting Trees for Cost-Sensitive Classifications",
K. M. Ting, Z. Zheng
17:15-17:45 "Naive Bayesian Classifier Committees",
Z. Zheng
17:45-18:00 "Batch Classifications with Discrete Finite Mixtures",
P. Kontkanen, P. Myllymäki, T. Silander, H. Tirri

**Tuesday, 21 April 1998, MULTIPLE MODELS FOR CLASSIFICATION (2)**
Time	Presentation
16:30-17:00	"Combining Classifiers with constructive Induction", J. Gama
17:00-17:15	"Boosting Trees for Cost-Sensitive Classifications", K. M. Ting, Z. Zheng
17:15-17:45	"Naive Bayesian Classifier Committees", Z. Zheng
17:45-18:00	"Batch Classifications with Discrete Finite Mixtures", P. Kontkanen, P. Myllymäki, T. Silander, H. Tirri

Tuesday, 21 April 1998, DEMONSTRATIONS
Time Event
18:00-19:00 Demonstrations

**Tuesday, 21 April 1998, DEMONSTRATIONS**
Time	Event
18:00-19:00	Demonstrations

Tuesday, 21 April 1998, WELCOME PARTY
Time Event
19:00-??:?? Welcome Party

Tuesday, 21 April 1998, *WELCOME PARTY*
Time	Event
19:00-??:??	Welcome Party

Wednesday, 22 April 1998, INDUCTIVE LOGIC PROGRAMMING
Time Presentation
09:00-09:30 "Induction of Recursive Program Schemes",
U. Schmid, F.Wysotzki
09:30-10:00 "Predicate Invention and Learning from Positive Examples Only",
H. Boström
10:00-10:30 "An inductive logic programming framework to learn a concept from ambiguous examples",
D. Bouthinon, H. Soldano

**Wednesday, 22 April 1998, INDUCTIVE LOGIC PROGRAMMING**
Time	Presentation
09:00-09:30	"Induction of Recursive Program Schemes", U. Schmid, F.Wysotzki
09:30-10:00	"Predicate Invention and Learning from Positive Examples Only", H. Boström
10:00-10:30	"An inductive logic programming framework to learn a concept from ambiguous examples", D. Bouthinon, H. Soldano

Wednesday, 22 April 1998, REINFORCEMENT LEARNING (1)
Time Presentation
09:00-09:30 "Composing Functions to Speed up Reinforcement Learning in a Changing World",
C. Drummond
09:30-10:00 "Theoretical Results on Reinforcement Learning with Temporally Abstract Behaviors",
D. Precup, R. S. Sutton, S. Singh
10:00-10:30 "A general convergence method for Reinforcement Learning in continuous case",
R. Munos

**Wednesday, 22 April 1998, REINFORCEMENT LEARNING (1)**
Time	Presentation
09:00-09:30	"Composing Functions to Speed up Reinforcement Learning in a Changing World", C. Drummond
09:30-10:00	"Theoretical Results on Reinforcement Learning with Temporally Abstract Behaviors", D. Precup, R. S. Sutton, S. Singh
10:00-10:30	"A general convergence method for Reinforcement Learning in continuous case", R. Munos

Wednesday, 22 April 1998, COFFEE BREAK
Time Event
10:30-11:00 Coffee Break

Wednesday, 22 April 1998, *COFFEE BREAK*
Time	Event
10:30-11:00	Coffee Break

Wednesday, 22 April 1998, RELATIONAL LEARNING
Time Presentation
11:00-11:15 "First-Order Learning for Web Mining",
M. Craven, S. Slattery, K. Nigam
11:15-11:45 "Explanation-Based Generalization in Game Playing: Quantitative Results",
S. Schrödl

**Wednesday, 22 April 1998, RELATIONAL LEARNING**
Time	Presentation
11:00-11:15	"First-Order Learning for Web Mining", M. Craven, S. Slattery, K. Nigam
11:15-11:45	"Explanation-Based Generalization in Game Playing: Quantitative Results", S. Schrödl

Wednesday, 22 April 1998, REINFORCEMENT LEARNING (2)
Time Presentation
11:00-11:30 "Speeding up Q(lambda)-learning",
M. Wiering, J. Schmidhuber
11:30-11:45 "Q-Learning and Redundancy Reduction in Classifier Systems with Internal State",
A. Giani, A. Sticca, F. Baiardi, A. Starita

**Wednesday, 22 April 1998, REINFORCEMENT LEARNING (2)**
Time	Presentation
11:00-11:30	"Speeding up Q(lambda)-learning", M. Wiering, J. Schmidhuber
11:30-11:45	"Q-Learning and Redundancy Reduction in Classifier Systems with Internal State", A. Giani, A. Sticca, F. Baiardi, A. Starita

Wednesday, 22 April 1998, APPLICATIONS (2)
Time Presentation
11:45-12:00 "Learning to Classify X-Ray Images Using Relational Learning",
C. Sammut, T. Zrimec
12:00-12:15 "ILP Experiments in Detecting Traffic Problems",
S. Dzeroski, N. Jacobs, M. Molina, C. Moure

**Wednesday, 22 April 1998, APPLICATIONS (2)**
Time	Presentation
11:45-12:00	"Learning to Classify X-Ray Images Using Relational Learning", C. Sammut, T. Zrimec
12:00-12:15	"ILP Experiments in Detecting Traffic Problems", S. Dzeroski, N. Jacobs, M. Molina, C. Moure

Wednesday, 22 April 1998, NEURAL NETWORKS
Time Presentation
11:45-12:00 "Interpretable Neural Networks with BP-SOM",
T. Weijters, A. van den Bosch, H. J. van den Herik
12:00-12:15 "Convergence Rate of Minimization Learning for Neural Networks",
M. H. Mohamed, T. Minamoto, K. Niijima

**Wednesday, 22 April 1998, NEURAL NETWORKS**
Time	Presentation
11:45-12:00	"Interpretable Neural Networks with BP-SOM", T. Weijters, A. van den Bosch, H. J. van den Herik
12:00-12:15	"Convergence Rate of Minimization Learning for Neural Networks", M. H. Mohamed, T. Minamoto, K. Niijima

Wednesday, 22 April 1998, APPLICATIONS (3)
Time Presentation
12:15-12:45 "Simulating Children Learning and Explaining Elementary Heat Transfer Phenomena: a Multistrategy System at Work",
F. Neri

**Wednesday, 22 April 1998, APPLICATIONS (3)**
Time	Presentation
12:15-12:45	"Simulating Children Learning and Explaining Elementary Heat Transfer Phenomena: a Multistrategy System at Work", F. Neri

Wednesday, 22 April 1998, SUPPORT VECTOR LEARNING
Time Presentation
12:15-12:30 "Text Categorization with Support Vector Machines: Learning with Many Relevant Features",
T. Joachims
12:30-12:45 "A Short Note About the Application of Polynomial Kernels with Fractional Degree in Support Vector Learning",
R. Rossius, G. Zenker, A. Ittner, W. Dilger

**Wednesday, 22 April 1998, SUPPORT VECTOR LEARNING**
Time	Presentation
12:15-12:30	"Text Categorization with Support Vector Machines: Learning with Many Relevant Features", T. Joachims
12:30-12:45	"A Short Note About the Application of Polynomial Kernels with Fractional Degree in Support Vector Learning", R. Rossius, G. Zenker, A. Ittner, W. Dilger

Wednesday, 22 April 1998, LUNCH
Time Event
12:45-14:00 Lunch

Wednesday, 22 April 1998, *LUNCH*
Time	Event
12:45-14:00	Lunch

Wednesday, 22 April 1998, INSTANCE BASED LEARNING
Time Presentation
14:00-14:30 "Scope Classification: An Instance-Based Learning Algorithm with a Rule-Based Characterization",
N. Lachiche, P. Marquis
14:30-15:00 "Error-Correcting Output Codes for Local Learners",
F. Ricci, D. Aha
15:00-15:30 "Recursive lazy learning for modeling and control",
G. Bontempi, M. Birattari, H. Bersini
15:30-15:45 "Using Lattice-based Framework as a Tool for Feature Extraction",
E. Mephu Nguifo, P. Njiwoua

**Wednesday, 22 April 1998, INSTANCE BASED LEARNING**
Time	Presentation
14:00-14:30	"Scope Classification: An Instance-Based Learning Algorithm with a Rule-Based Characterization", N. Lachiche, P. Marquis
14:30-15:00	"Error-Correcting Output Codes for Local Learners", F. Ricci, D. Aha
15:00-15:30	"Recursive lazy learning for modeling and control", G. Bontempi, M. Birattari, H. Bersini
15:30-15:45	"Using Lattice-based Framework as a Tool for Feature Extraction", E. Mephu Nguifo, P. Njiwoua

Wednesday, 22 April 1998, COFFEE BREAK
Time Event
15:45-16:15 Coffee Break

Wednesday, 22 April 1998, *COFFEE BREAK*
Time	Event
15:45-16:15	Coffee Break

Wednesday, 22 April 1998, CLUSTERING
Time Presentation
16:15-16:30 "Determining property relevance in concept formation by computing correlation between properties",
J. J. F. Vasco
16:30-16:45 "A buffering strategy to avoid ordering effects in clustering",
L. Talavera, J. Roure

**Wednesday, 22 April 1998, CLUSTERING**
Time	Presentation
16:15-16:30	"Determining property relevance in concept formation by computing correlation between properties", J. J. F. Vasco
16:30-16:45	"A buffering strategy to avoid ordering effects in clustering", L. Talavera, J. Roure

Wednesday, 22 April 1998, POSTERS
Time Event
16:45-18:15 Posters

**Wednesday, 22 April 1998, POSTERS**
Time	Event
16:45-18:15	Posters

Wednesday, 22 April 1998, COMMUNITY MEETING
Time Event
18:15-??:?? Community Meeting

**Wednesday, 22 April 1998, COMMUNITY MEETING**
Time	Event
18:15-??:??	Community Meeting

Thursday, 23 April 1998, INVITED TALK (2)
Time Presentation
09:00-10:00 "Learning in Agent-Oriented Worlds",
K. De Jong

**Thursday, 23 April 1998, INVITED TALK (2)**
Time	Presentation
09:00-10:00	"Learning in Agent-Oriented Worlds", K. De Jong

Thursday, 23 April 1998, GENETIC ALGORITHMS
Time Presentation
10:00-10:30 "Coevolutionary, Distributed Search for Inducing Concept Descriptions",
C. Anglano, A. Giordana, G. Lo Bello, L. Saitta
10:30-11:00 "Mimetic Evolution",
A. Ducoulombier, M. Sebag
11:00-11:15 "A Host-Parasite Genetic Algorithm for Assymetric Tasks",
B. Olsson

**Thursday, 23 April 1998, GENETIC ALGORITHMS**
Time	Presentation
10:00-10:30	"Coevolutionary, Distributed Search for Inducing Concept Descriptions", C. Anglano, A. Giordana, G. Lo Bello, L. Saitta
10:30-11:00	"Mimetic Evolution", A. Ducoulombier, M. Sebag
11:00-11:15	"A Host-Parasite Genetic Algorithm for Assymetric Tasks", B. Olsson

Thursday, 23 April 1998, COFFEE BREAK
Time Event
11:15-11:45 Coffee Break

Thursday, 23 April 1998, *COFFEE BREAK*
Time	Event
11:15-11:45	Coffee Break

Thursday, 23 April 1998, DECISION TREES
Time Presentation
11:45-12:15 "Inducing Models of Human Control Skills",
R. Camacho
12:15-12:30 "God doesn't always shave with Occam's razor - learning when and how to prune",
H. Bensusan
12:30-12:45 "Error Estimators for Pruning Regression Trees",
L. Torgo
12:45-13:00 "Pruning Decision Trees with Misclassification Costs",
J. P. Bradford, C. Kunz, R. Kohavi, C. Brunk, C. E. Brodley

**Thursday, 23 April 1998, DECISION TREES**
Time	Presentation
11:45-12:15	"Inducing Models of Human Control Skills", R. Camacho
12:15-12:30	"God doesn't always shave with Occam's razor - learning when and how to prune", H. Bensusan
12:30-12:45	"Error Estimators for Pruning Regression Trees", L. Torgo
12:45-13:00	"Pruning Decision Trees with Misclassification Costs", J. P. Bradford, C. Kunz, R. Kohavi, C. Brunk, C. E. Brodley

Thursday, 23 April 1998, LUNCH
Time Event
13:00-14:00 Lunch

Thursday, 23 April 1998, *LUNCH*
Time	Event
13:00-14:00	Lunch

Thursday, 23 April 1998, TRIP AND GALA DINNER
Time Event
14:00-??:?? Trip and Gala Diner

Thursday, 23 April 1998, *TRIP AND GALA DINNER*
Time	Event
14:00-??:??	Trip and Gala Diner

Friday, 24 April 1998
Time Session
09:00-18:00 WORKSHOP 1 WORKSHOP 2 WORKSHOP 3 WORKSHOP 4 WORKSHOP 5 WORKSHOP 6