Giorgio Orsi

web data extraction ontologies diadem data integration form understanding ontological query answering databases semantic web query processing query optimization context-awareness big data semantic annotation web automation result page analysis web wrapper query answering data science data acquisition data wrangling data analytics web data management datalog +/- datalog web engineering database ontology ontological databases ontology matching personalization pervasive systems knowledge bases knowledge graph dark data web scraping wrapidity meltwater artificial intelligence media intelligence data repair data preparation xpath oxpath data cleaning statistical learning natural language processing aspect extraction nlp computer science automated reasoning odba entity extraction judgement aggregation document understanding information extraction oxford named entity extraction deos object search oxford martin school probabilistic query answering uncertain data management probabilistic and uncertain reasoning datalog+/- reasoning web ontological querying result-page understanding gazetteers gazetteer generation record extraction uml querying guarded fragment uml class diagrams web forms web understanding query reformulation query rewriting table recognition web tables table understanding web design sensors network information noise context modelling view composition data tailoring semantics domain-awareness rewriting hardware databases schema evolution ontology extraction data publishing doctorate phday folksonomies data management context awareness medical information systems medical emergencies keyword search