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J. Sharpnack

30 papers hereh-index 221.8k citations57 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author2
  • first author6
  • middle author10
  • last author12

Across the 30 of 30 papers where every author was matched, so the position is known.

fields
  • stat.ML10
  • math.ST8
  • cs.LG5
  • stat.ME4
  • astro-ph.GA1
  • astro-ph.IM1

identity via Semantic Scholar / OpenAlex

activity
20122023
most citedThe DFS Fused Lasso: Linear-Time Denoising over General Graphs

45 citations · 202 across the 24 of their papers we have counts for

collaborators
Showing 2012 · stat.MLShow all

2 papers · 2 filters

stat.ML2012

Detecting Activations over Graphs using Spanning Tree Wavelet Bases

James Sharpnack, Akshay Krishnamurthy, Aarti Singh

We consider the detection of activations over graphs under Gaussian noise, where signals are piece-wise constant over the graph. Despite the wide applicability of such a detection…

stat.ML2012★ 5 cited

Variance function estimation in high-dimensions

Mladen Kolar, James Sharpnack

We consider the high-dimensional heteroscedastic regression model, where the mean and the log variance are modeled as a linear combination of input variables. Existing literature o…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.