Lecture: Ontologies and the Semantic Web

Ontologies and the Semantic Web

Topics: Semantic Web, Web 3.0, shared understanding, shared semantic annotation, tree of Porphyry, ontology,wordnet, mesh,rdf, iri, description logics, DLs, Owl, WebProtege, domain-specific,Sparql, tags, ontology learning, classes, relations, axioms, instances, semantics in language technology. Lecture: Ontologies and the Semantic Web from…

Lecture: Summarization

Automatic Summarization

Topics: abstracting, extractive summarization, abstractive summarization, summarization in question answering, single vs. multiple documents, query-focused summarization, snippets, unsupervised content selection, topic signature-based content selection, rouge, recall oriented understudy for gisting evaluation, semantics in language technology, Lecture: Summarization from Marina Santini…

Lecture: Relation Extraction

Relation Extraction

Topic: databases of relations, knowledge graph, DBpedia, freebase, ACE, relation extractors, hand-written patterns, supervised machine learning, semi-supervised learning, bootstrapping, distant supervision, unsupervised learning from the web, semantic analysis in language technology. Relation Extraction from Marina Santini Bookmark on Delicious Recommend…

Lecture: Question Answering

Question Answering

Topics: IBM’s Watson, Apple’s Siri, WolframAlpha, factoid questions, complex questions, narrative questions, IR-based approaches, knowledge-based approaches, hybrid approaches, IR-based question answering, answer type taxonomy, passage retrieval,mean reciprocal rank, MRR, semantic analysis in language technology Lecture: Question Answering from Marina Santini…

Lecture: IE – Named Entity Recognition (NER)

Named Entity Recognition

Topics: Information Extraction, Named Entity Recognition, NER, text analytics, text mining, e-discovery, unstructured data, structured data, calendaring, standard evaluation per entity, standard evaluation per token, sequence classifier, sequence labeling, word shapes, semantic analysis in language technology IE: Named Entity Recognition…