On-device research index

arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

169,341 papers · 148 categories

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7 results for “edge-exchangeability”

Anomalous Edge Detection in Edge Exchangeable Social Network Modelscs.SI

Paper detects anomalous edges in social networks using edge exchangeability.

problem Detecting anomalous edges in directed social networks.

method Exploits edge exchangeability and uses conformal prediction theory.

result Proposed anomaly detector has a guaranteed upper bound for false positives.

social networks edge detection anomaly detection edge exchangeability conformal prediction

2021-09-27abs ↗pdf ↗

Edge-exchangeable graphs and sparsitymath.ST

New graph model avoids density, exhibiting sparse structure.

problem Density in random graph models is unrealistic for observed graphs.

method Defined edge-exchangeability to model sparse graphs.

result Edge-exchangeable graphs exhibit sub-quadratic growth of edges.

graph theory random graphs sparsity edge-exchangeability Aldous-Hoover Theorem

2016-03-22abs ↗pdf ↗

Edge-exchangeable graphs and sparsity (NIPS 2016)stat.ML

New edge-exchangeable model allows sparse graphs.

problem Sparse graphs in real-world networks.

method Introduced edge-exchangeable graphs, a new model for sparse graphs.

result Edge-exchangeable models can exhibit sparsity.

edge-exchangeable sparse graphs network models stationary models random measures

2016-12-16abs ↗pdf ↗

Nondiagonal Mixture of Dirichlet Network Distributions for Analyzing a Stock Ownership Networkcs.SI

Paper introduces a new edge exchangeable block model for complex networks.

problem Limitations of the stochastic block model in analyzing complex networks.

method Develops a Bayesian nonparametric edge exchangeable block model.

result The new model outperforms state-of-the-art SBMs for link prediction.

block modeling stochastic block model complex networks edge exchangeable Bayesian nonparametric

2020-09-08abs ↗pdf ↗

A Dynamic Edge Exchangeable Model for Sparse Temporal Networksstat.ML

A new model predicts sparse temporal network links better than existing models.

problem Capturing sparse connections in real temporal networks.

method Dynamic edge exchangeable model that accounts for social influence and sparsity.

result The model achieves superior link prediction accuracy and interpretable community structures.

sparse networks temporal networks link prediction social influence community detection

2017-10-11abs ↗pdf ↗

Sequential Edge Clustering in Temporal Multigraphscs.LG

Dynamic model clusters interactions over time, improving prediction.

problem Sparse, evolving interaction graphs with temporal dynamics.

method Structured, nonparametric edge-exchangeable model for dynamic clustering.

result Improved predictive performance compared to static models.

dynamic graph interaction modeling temporal networks nonparametric models

2019-05-28abs ↗pdf ↗

A Nonparametric Bayesian Model for Sparse Dynamic Multigraphscs.LG

New model captures sparse, evolving multigraph structures.

problem Understanding sparse, evolving multigraph structures in dynamic interaction data.

method Dynamic nonparametric Bayesian model combining sparsity and clustering.

result Improved held-out likelihood and predictive performance.

nonparametric Bayesian sparse multigraphs dynamic clustering email communication temporal interaction data

2019-10-11abs ↗pdf ↗