A data model for trip planning in multimodal transportation systems. - Joel Booth; A. Prasad Sistla; Ouri Wolfson; Isabel F. Cruz (EDBT, 2009)

Query Sentences as Semantic (Sub) Networks. - Joel Booth; Barbara Di Eugenio; Isabel F. Cruz; Ouri Wolfson (ICSC, 2009)

Robust Natural Language Processing for Urban Trip Planning. - Joel Booth; Barbara Di Eugenio; Isabel F. Cruz; Ouri Wolfson (Appl. Artif. Intell., 2015)