Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Irit Katriel, Hans Leo Bodlaender. Online topological ordering. ACM Transactions on Algorithms, 2(3):364-379, 2006. [doi]