Dharmendra Kanejiya|Arun Kumar|Surendra Prasad
Automatic evaluation of students' answers using syntactically enhanced LSA
Indian Institute of Technology Delhi|Indian Institute of Technology Delhi|Indian Institute of Technology Delhi
latent semantic analysis lsa used several intelligent tutoring systemsitss assessing students learning evaluating answers questions tutoring domain based worddocument cooccurrence statistics training corpus dimensionality reduction technique however doesnt consider wordorder syntactic information improve knowledge representation therefore lead better performance present approach called syntactically enhanced lsa selsa generalizes lsa considering word along syntactic neighborhood given partofspeech tag preceding word unit knowledge representation experimental results autotutor task evaluate students answers basic computer science questions selsa comparison lsa presented terms several cognitive measures selsa able correctly evaluate answers lsa less correlation human evaluators lsa also provides better discrimination syntacticsemantic knowledge representation lsa