Fusion of Knowledge-Based and Data-Driven Approaches to Grammar Induction

Georgiladakis S, Unger C, Iosif E, Walter S, Cimiano P, Petrakis E, Potamianos A (2014)
In: Fifteenth Annual Conference of the International Speech Communication Association. .

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Using different sources of information for grammar induction results in grammars that vary in coverage and precision. Fusing such grammars with a strategy that exploits their strengths while minimizing their weaknesses is expected to produce grammars with superior performance. We focus on the fusion of grammars produced using a knowledge-based approach using lexicalized ontologies and a data-driven approach using semantic similarity clustering. We propose various algorithms for finding the map- ping between the (non-terminal) rules generated by each gram- mar induction algorithm, followed by rule fusion. Three fusion approaches are investigated: early, mid and late fusion. Results show that late fusion provides the best relative F-measure per- formance improvement by 20%.
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Georgiladakis S, Unger C, Iosif E, et al. Fusion of Knowledge-Based and Data-Driven Approaches to Grammar Induction. In: Fifteenth Annual Conference of the International Speech Communication Association. 2014.
Georgiladakis, S., Unger, C., Iosif, E., Walter, S., Cimiano, P., Petrakis, E., & Potamianos, A. (2014). Fusion of Knowledge-Based and Data-Driven Approaches to Grammar Induction. Fifteenth Annual Conference of the International Speech Communication Association.
Georgiladakis, S., Unger, C., Iosif, E., Walter, S., Cimiano, P., Petrakis, E., and Potamianos, A. (2014). “Fusion of Knowledge-Based and Data-Driven Approaches to Grammar Induction” in Fifteenth Annual Conference of the International Speech Communication Association.
Georgiladakis, S., et al., 2014. Fusion of Knowledge-Based and Data-Driven Approaches to Grammar Induction. In Fifteenth Annual Conference of the International Speech Communication Association.
S. Georgiladakis, et al., “Fusion of Knowledge-Based and Data-Driven Approaches to Grammar Induction”, Fifteenth Annual Conference of the International Speech Communication Association, 2014.
Georgiladakis, S., Unger, C., Iosif, E., Walter, S., Cimiano, P., Petrakis, E., Potamianos, A.: Fusion of Knowledge-Based and Data-Driven Approaches to Grammar Induction. Fifteenth Annual Conference of the International Speech Communication Association. (2014).
Georgiladakis, Spiros, Unger, Christina, Iosif, Elias, Walter, Sebastian, Cimiano, Philipp, Petrakis, Euripides, and Potamianos, Alexandros. “Fusion of Knowledge-Based and Data-Driven Approaches to Grammar Induction”. Fifteenth Annual Conference of the International Speech Communication Association. 2014.
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