1. Topics in AI: Applied Natural Language Processing Information Extraction and Recommender Systems for Video Games Review Adjectives November 2, 2009

2. Data Subset of 3,074 reviews ~2,900 tagged so far ~42,000 unique adjectives Revision needed: ~18,000 appear more than once User names, gibberish tagged as adjectives First step: pruning non-qualitative adjectives Many, such, first, few, etc.

3. Top 10 Qualitative Adjectives 1.Bad [6,290] 2.Great [5,492] 3.Different [5,320] 4.Easy [4,808] 5.Good [4,803] 6.Hard [4,461] 7.Interesting [4,424] 8.Short [4,375] 9.Nice [4,362] 10.Difficult [4,198]

4. Gameplay Candidate Adjectives Quality simple,basic, decent, solid, fine, standard, average, fair, plain, okay/ok, good great,nice, interesting, cool, impressive, awesome, perfect, favorite, excellent, amazing, fantastic, wonderful, neat, brilliant, incredible terrible, poor, cheap, stupid, horrible, disappointing, lame, mediocre, awful original, unique, different, special, innovativerepetitive, limited, dull weird, strange, dark, crazy, oddfamiliar, typical, generic colorful, pretty, fresh, beautiful, realistic, bright, memorable ugly

5. Gameplay Candidate Adjectives Difficulty Level simple, easyhard, difficult, challenging, tough, impossible Length/Time short, quick, fastlong, slow Size smallbig, large, huge, open(?), deep, massive

6. Gameplay Candidate Adjectives Experience enjoyable, entertaining, funny, exciting, satisfying, addictive frustrating, annoying, boring, tedious happysad

7. Next Steps Finish tagging reviews Tag reviews outside of subset? Look deeper into adjective list for more descriptive terms Clarify/refine adjective categories