Specification of a query language for multimedia database systems. - Young Francis Day; Wasfi Al-Khatib; Raymond A. Paul; Arif Ghafoor (MSE, 1998)

Trail-Based Approach for Video Data Indexing and Retrieval. - Serhan Dagtas; Wasfi Al-Khatib; Arif Ghafoor; Ashfaq A. Khokhar (ICMCS, Vol. 2, 1999)

An approach for video meta-data modeling and query processing. - Wasfi Al-Khatib; Arif Ghafoor (ACM Multimedia (1), 1999)

Semantic Modeling and Knowledge Representation in Multimedia Databases. - Wasfi Al-Khatib; Young Francis Day; Arif Ghafoor; P. Bruce Berra (IEEE Trans. Knowl. Data Eng., 1999)

Models for motion-based video indexing and retrieval. - Serhan Dagtas; Wasfi Al-Khatib; Arif Ghafoor; Rangasami L. Kashyap (IEEE Trans. Image Process., 2000)

Visual Video Query Specification Using Petri-Nets. - Wasfi Al-Khatib; Md Atiq-ul Islam; Arif Ghafoor (IKE, 2003)