### datasets
- ab: Abt-Buy
- wa1: Walmart-Amazon
- ds: DBLP-Scholar
- da: DBLP-ACM
- fz: Fodors-Zagats
- dzy: Zomato-Yelp
- ia: iTunes-Amazon
- ri: RottenTomatoes-IMDB
- b2: Books2
- computers: WDC-Computers
- cameras: WDC-Cameras
- watches: WDC-Watches
- shoes: WDC-Shoes