3 papers
cs.CL2019
Improving Chemical Named Entity Recognition in Patents with Contextualized Word Embeddings
Zenan Zhai, Dat Quoc Nguyen, Saber A. Akhondi +5
Chemical patents are an important resource for chemical information. However, few chemical Named Entity Recognition (NER) systems have been evaluated on patent documents, due in pa…
cs.DB2014
Chases and Bag-Set Certain Answers
Camilo Thorne
In this paper we show that the chase technique is powerful enough to capture the bag-set semantics of conjunctive queries over IDBs and IDs and TGDs. In addition, we argue that in…
cs.LO2014
The Expressive Power of DL-Lite
Camilo Thorne
Description logics are knowledge representation formalisms that provide the formal underpinning of the semantic web and in particular of the Ontology Web Language. In…