A. Bolivar

Retrieval and novelty detection at the sentence level

James Allan, Courtney Wade, Alvaro Bolivar, 2003, SIGIR.

UMass at TREC 2002: Cross Language and Novelty Tracks

James Allan, Leah S. Larkey, Courtney Wade, 2002, TREC.

Substitutes or complements: another step forward in recommendations

Junyu Niu, Xiaoyuan Wu, Jiaqian Zheng, 2009, EC '09.

Rare item detection in e-commerce site

Xiaoyuan Wu, Dan Shen, Alvaro Bolivar, 2009, WWW '09.

Predicting the conversion probability for items on C2C ecommerce sites

Xiaoyuan Wu, Alvaro Bolivar, Xiaoyuan Wu, 2009, CIKM.