Jochen Hartmann

University of Hamburg

MoorweidenstraƟe 18

Hamburg, 20148

Germany

SCHOLARLY PAPERS

3

DOWNLOADS

467

SSRN CITATIONS

0

CROSSREF CITATIONS

1

Scholarly Papers (3)

1.

The Power of Brand Selfies in Consumer-Generated Brand Images

Columbia Business School Research Paper Forthcoming
Number of pages: 58 Posted: 11 Apr 2019
University of Hamburg, University of Hamburg, University of Mannheim and Columbia Business School - Marketing
Downloads 394 (76,624)
Citation 2

Abstract:

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User-Generated Content, Social Media, Deep Learning, Natural Language Processing

2.

More Than a Feeling: Benchmarks for Sentiment Analysis Accuracy

Number of pages: 27 Posted: 05 Dec 2019 Last Revised: 24 Jan 2020
University of Hamburg, University of Hamburg, University of Hamburg and University of Mannheim
Downloads 58 (374,097)

Abstract:

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sentiment analysis, meta-analysis, natural language processing, lexicons, machine learning, transfer learning, language models

3.

Classification Using Decision Tree Ensembles

Number of pages: 16 Posted: 20 Nov 2019
Jochen Hartmann
University of Hamburg
Downloads 15 (568,688)

Abstract:

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decision tree ensembles, random forests, bagging, boosting, classification, machine learning