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1 All sections to appear here
Identification of the Question Focus: Combining Syntactic Analysis and Ontology-based Lookup through the User Interaction All sections to appear here Danica Damljanović, Milan Agatonović, Hamish Cunningham

2 Question Answering Question category
traditional approach documents Question category usually identified based on the syntax Answer type identifies the type of the answer Focus: the part of the question which retrieves what the user is interested in Example: Who works for IBM? category: Who, answer type: Person, focus: IBM our approach ontologies 5/26/2019 LREC 2010

3 2 1 3 5/26/2019 LREC 2010

4 1 5/26/2019 LREC 2010

5 Focus Answer Type Identifier
Question 5/26/2019 LREC 2010

6 Finding focus 5/26/2019 LREC 2010

7 2 5/26/2019 LREC 2010

8 Ontology-based annotations
OntoRootGaz PR from GATE ( ), part of Gazetteer_Ontology_Based plugin 5/26/2019 LREC 2010

9 3 5/26/2019 LREC 2010

10 Consolidation 5/26/2019 LREC 2010

11 Answer Type Identifier found?
Means we need to engage the user into the dialog in order to identify the answer type 5/26/2019 LREC 2010

12 No Answer Type Identifier (WH-phrases) Found?
Often means we could derive the answer type without engaging the user 5/26/2019 LREC 2010

13 FREyA: a Natural Language Interface to Ontologies
5/26/2019 LREC 2010

14 FREyA: a Natural Language Interface to Ontologies
5/26/2019 LREC 2010

15 Evaluation Subset of the Mooney GeoQuery dataset: 250 questions
we have manually labelled the focus/ATI/answer type for each question and then measured correctness of identifying the focus/Answer Type Identifier (no ontology-based lookup involved) correctness of consolidation algorithm: whether the Answer Type was identified correctly 5/26/2019 LREC 2010

16 Identification of the question focus
5/26/2019 LREC 2010

17 Identification of the Answer Type Identifier (WH-phrases)
5/26/2019 LREC 2010

18 Consolidation 5/26/2019 LREC 2010

19 All sections to appear here
Questions? All sections to appear here Danica Damljanović, Milan Agatonović, Hamish Cunningham 5/26/2019 LREC 2010


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