Browsing Data Science Institute by Author "Pereira, Bianca"
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Entity Linking with Multiple Knowledge Bases: An Ontology Modularization Approach
Pereira, Bianca (Springer, 2014-10-19)The recognition of entities in text is the basis for a series of applications. Synonymy and Ambiguity are among the biggest challenges in identifying such entities. Both challenges are addressed by Entity Linking, the task ... -
Generating linked-data based domain-specific sentiment lexicons from legacy language and semantic resources
Vulcu, Gabriela; Buitelaar, Paul; Negi, Sapna; Pereira, Bianca; Arcan, Mihael; Coughlan, Barry; Sanchez, J. Fernando; Iglesias, Carlos A. (European Language Resources Association, 2014)We present a methodology for legacy language resource adaptation that generates domain-specific sentiment lexicons organized around domain entities described with lexical information and sentiment words described in the ... -
Lessons learnt from the Named Entity rEcognition and Linking (NEEL) challenge series
Rizzo, Giuseppe; Pereira, Bianca; Varga, Andrea; van Erp, Marieke; Cano Basave, Amparo Elizabeth (2017-03-13)The large number of tweets generated daily is providing policy makers with means to obtain insights into recent events around the globe in near real-time. The main barrier for extracting such insights is the impossibility ...