Taking situational factors into account
when resolving anaphora:
an approach based on salience and events
DAARC – March 30th 2007
Paris
FRANCE
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Initial example
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Anaphora versus deixis
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Ambiguous variants of Isard’s example
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Problems and objectives
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Classical anaphora resolution methods
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the factors sum or average
the optimal factor
the weighed average of factors (Alshawi 1987)
the procedural methods (Mitkov 1998)
the statistical methods (Pattabhiraman 1993)
the dynamic methods (Lappin & Leass 1994)
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Formal linguistic factors of salience
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Semantic linguistic factors of salience
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Taking situational aspects into account
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Situational events
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Situational events (cont.)
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Axes for the confrontation
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Axes for the confrontation (cont.)
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Back to our initial example
child’s gesture
“Rex seems to be hungry”
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“be careful, he
might bite you!”
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Conclusion and future work
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