activity
20202023
most citedTemporal Motifs in Patent Opposition and Collaboration Networks

18 citations · 38 across the 6 of their papers we have counts for

collaborators

6 papers

cs.SI2023★ 11 cited

Using Motif Transitions for Temporal Graph Generation

Penghang Liu, A. Erdem Sarıyüce

Graph generative models are highly important for sharing surrogate data and benchmarking purposes. Real-world complex systems often exhibit dynamic nature, where the interactions a…

cs.SI2023★ 1 cited

Temporal Motifs for Financial Networks: A Study on Mercari, JPMC, and Venmo Platforms

Penghang Liu, Bahadir Altun, Rupam Acharyya +4

Understanding the dynamics of financial transactions among people is critical for various applications such as fraud detection. One important aspect of financial transaction networ…

cs.AI2022★ 3 cited

Limited or Biased: Modeling Sub-Rational Human Investors in Financial Markets

Penghang Liu, Kshama Dwarakanath, Svitlana S Vyetrenko +1

Human decision-making in real-life deviates significantly from the optimal decisions made by fully rational agents, primarily due to computational limitations or psychological bias…

cs.SI2021★ 18 cited

Temporal Motifs in Patent Opposition and Collaboration Networks

Penghang Liu, Naoki Masuda, Tomomi Kito +1

Patents are intellectual properties that reflect innovative activities of companies and organizations. The literature is rich with the studies that analyze the citations among the…

cs.SI2020★ 1 cited

Characterizing and Utilizing the Interplay Between Core and Truss Decompositions

Penghang Liu, A. Erdem Sarıyüce

Finding the dense regions in a graph is an important problem in network analysis. Core decomposition and truss decomposition address this problem from two different perspectives. T…

cs.SI2020★ 4 cited

Temporal Network Motifs: Models, Limitations, Evaluation

Penghang Liu, Valerio Guarrasi, A. Erdem Sarıyüce

Investigating the frequency and distribution of small subgraphs with a few nodes/edges, i.e., motifs, is an effective analysis method for static networks. Motif-driven analysis is…