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J. Lockhart

11 papers hereh-index 8532 citations21 works total

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

author position
  • first author4
  • middle author6
  • last author1

Across the 11 of 11 papers where every author was matched, so the position is known.

fields
  • quant-ph5
  • cs.LG3
  • cs.AI1
  • q-fin.CP1
  • q-fin.TR1
same name
  • J. Lockhart — 1 paper, h 13
  • J. Lockhart — 1 paper, h 2
  • J. Lockhart — 1 paper
  • J. Lockhart — 1 paper, h 11

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20162022
most citedHow to Evaluate Trading Strategies: Single Agent Market Replay or Multiple Agent Interactive Simulation?

11 citations · 24 across the 8 of their papers we have counts for

collaborators
Showing cs.LGShow all

3 papers · 1 filter

cs.LG2022

Towards learning to explain with concept bottleneck models: mitigating information leakage

Joshua Lockhart, Nicolas Marchesotti, Daniele Magazzeni +1

Concept bottleneck models perform classification by first predicting which of a list of human provided concepts are true about a datapoint. Then a downstream model uses these predi…

cs.LG2022★ 6 cited

Feature Importance for Time Series Data: Improving KernelSHAP

Mattia Villani, Joshua Lockhart, Daniele Magazzeni

Feature importance techniques have enjoyed widespread attention in the explainable AI literature as a means of determining how trained machine learning models make their prediction…

cs.LG2020★ 2 cited

Some people aren't worth listening to: periodically retraining classifiers with feedback from a team of end users

Joshua Lockhart, Samuel Assefa, Tucker Balch +1

Document classification is ubiquitous in a business setting, but often the end users of a classifier are engaged in an ongoing feedback-retrain loop with the team that maintain it.…

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