Question: 10
(Choose 2 answers)
Which of the following techniques are used in event extraction for identifying event triggers? (Check all that
apply)
A. Named entity recognition (NER) systems to recognize event triggers that are named entities
B. Part-of-speech tagging to identify verbs and nominalizations that serve as event triggers
C. Dependency parsing to identify event participants
D. Sentiment analysis to detect emotions associated with events
