Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Lea Uradu, J.D., is a Maryland state registered tax preparer, state-certified notary public, ...

Abstract: User engagement has recently received significant attention in understanding the decay and expansion of communities in many online social networking platforms. Many user engagement studies ...

Abstract: Designing disk-based distributed graph systems has drawn a lot of research due to the strong expressiveness of the graph model and rapidly increasing graph volume. However, several ...