Thursday, May 9, 2019
Encoding word senses: paper dictionaries, thesauri, machine-readable dictionary, computational lexicons. WordNet. Brief introduction to BabelNet.
Introduction to computational semantics. Syntax-driven semantic analysis. Semantic attachments. First-Order Logic. Lambda notation and lambda calculus for semantic representation. Lexicon, lemmas and word forms. Word senses: monosemy vs. polysemy. Special kinds of polysemy. Computational sense representations: enumeration vs. generation. Graded word sense assignment.
Friday, April 12, 2019
Dependency parsing hands-on. A basic graph-based approach in Keras. Introduction to the attention mechanism.
Friday, April 5, 2019
Thursday, April 4, 2019
Introduction to syntax. Context-free grammars and languages. Treebanks. Normal forms. Dependency grammars. Syntactic parsing: top-down and bottom-up. Structural ambiguity. Backtracking vs. dynamic programming for parsing. The CKY algorithm.
Friday, March 29, 2019
LSTM hands-on with Keras + Tensorflow. Homework 1 assignment: neural word segmentation.