Sumários
Manipulating Query Expressions
6 novembro 2014, 14:30 • Helena Galhardas
- Review of the basic concepts of relational dabases
- Conjunctive queries
- Datalog programs
- Query unfolding
- Query containment and equivalence
- Answering queries using views.
Information extraction from text
6 novembro 2014, 11:00 • Diogo Ribeiro Ferreira
- Finding keywords and regular expressions in a text document
- Classification of sentences using the Naive Bayes Classifier
- XQuery function to implement a sliding window
Introduction to Data Integration
6 novembro 2014, 09:30 • Helena Galhardas
- Application contexts
- Motivating example
- Defintion of data integration
- Challenges
- Architectures: virtual vs data warehoused data integration
- Components of a virtual data integration system: wrappers, mediated schema, source descriptions.
Information extraction from text
6 novembro 2014, 08:00 • Diogo Ribeiro Ferreira
- Finding keywords and regular expressions in a text document
- Classification of sentences using the Naive Bayes Classifier
- XQuery function to implement a sliding window
Information extraction from text
4 novembro 2014, 09:30 • Diogo Ribeiro Ferreira
- Finding keywords and regular expressions in a text document
- Classification of sentences using the Naive Bayes Classifier
- XQuery function to implement a sliding window