Optimizing source-call ordering in Information Gathering Plans. - Subbarao Kambhampati; Senthil Gnanaprakasam (Intelligent Information Integration, 1999)

Optimizing Recursive Information-Gathering Plans. - Eric Lambrecht; Subbarao Kambhampati; Senthil Gnanaprakasam (IJCAI, 1999)

Optimizing Recursive Information Gathering Plans in EMERAC. - Subbarao Kambhampati; Eric Lambrecht; Ullas Nambiar; Zaiqing Nie; Senthil Gnanaprakasam (J. Intell. Inf. Syst., 2004)