A random walk method for alleviating the sparsity problem in collaborative filtering. - Hilmi Yildirim; Mukkai S. Krishnamoorthy (RecSys, 2008)

Graph indexing for reachability queries. - Hilmi Yildirim; Mohammed Javeed Zaki (ICDE Workshops, 2010)

SONNET: Efficient Approximate Nearest Neighbor Using Multi-core. - Mohammad Al Hasan; Hilmi Yildirim; Abhirup Chakraborty (ICDM, 2010)

GRAIL: Scalable Reachability Index for Large Graphs. - Hilmi Yildirim; Vineet Chaoji; Mohammed Javeed Zaki (Proc. VLDB Endow., 2010)

ABACUS: Mining Arbitrary Shaped Clusters from Large Datasets based on Backbone Identification. - Vineet Chaoji; Geng Li 002; Hilmi Yildirim; Mohammed Javeed Zaki (SDM, 2011)

Scalable reachability indexing for very large graphs. - Hilmi Yildirim (2011)

GRAIL: a scalable index for reachability queries in very large graphs. - Hilmi Yildirim; Vineet Chaoji; Mohammed J. Zaki (VLDB J., 2012)

Towards Automated Service Matchmaking and Planning for Multi-Agent Systems with OWL-S - Approach and Challenges. - Johannes Fähndrich; Nils Masuch; Hilmi Yildirim; Sahin Albayrak (ICSOC Workshops, 2013)

DAGGER: A Scalable Index for Reachability Queries in Large Dynamic Graphs - Hilmi Yildirim; Vineet Chaoji; Mohammed J. Zaki (CoRR, 2013)