Manipulation of query expressions

7 novembro 2011, 09:30 • Helena Galhardas

• Query unfolding
• Query containment and equivalence
• Answering queries using views.

Hidden Markov Models

7 novembro 2011, 08:00 • Bruno Emanuel Da Graça Martins

• Exercises about Hidden Markov Models

Introduction to data integration

31 outubro 2011, 09:30 • Helena Galhardas

Overview of data integration
Virtual data integration

• Terminology
• Conjunctive queries and Datalog
• Virtual data integration architecture

Apoio ao projecto

31 outubro 2011, 08:00 • Pável Pereira Calado

Apoio ao projecto.

Hidden Markov Models for Information Extraction

25 outubro 2011, 09:30 • Bruno Emanuel Da Graça Martins

• Learning HMMs with the Segmental K-Means algorithm
• Application of HMMs in Information Extraction