Search Results for author: Tim Schopf

Found 8 papers, 5 papers with code

Enterprise Use Cases Combining Knowledge Graphs and Natural Language Processing

no code implementations1 Apr 2024 Phillip Schneider, Tim Schopf, Juraj Vladika, Florian Matthes

Knowledge management is a critical challenge for enterprises in today's digital world, as the volume and complexity of data being generated and collected continue to grow incessantly.

Knowledge Graphs Management

Exploring the Landscape of Natural Language Processing Research

1 code implementation20 Jul 2023 Tim Schopf, Karim Arabi, Florian Matthes

As an efficient approach to understand, generate, and process natural language texts, research in natural language processing (NLP) has exhibited a rapid spread and wide adoption in recent years.

Efficient Domain Adaptation of Sentence Embeddings Using Adapters

no code implementations6 Jul 2023 Tim Schopf, Dennis N. Schneider, Florian Matthes

Instead, we only train a small number of additional parameters while keeping the weights of the underlying sentence embedding model fixed.

Domain Adaptation Semantic Similarity +5

Evaluating Unsupervised Text Classification: Zero-shot and Similarity-based Approaches

2 code implementations29 Nov 2022 Tim Schopf, Daniel Braun, Florian Matthes

Text classification of unseen classes is a challenging Natural Language Processing task and is mainly attempted using two different types of approaches.

 Ranked #1 on Unsupervised Text Classification on AG News (F1-score metric)

text-classification Unsupervised Text Classification +1

Lbl2Vec: An Embedding-Based Approach for Unsupervised Document Retrieval on Predefined Topics

1 code implementation12 Oct 2022 Tim Schopf, Daniel Braun, Florian Matthes

When successively retrieving documents on different predefined topics from publicly available and commonly used datasets, we achieved an average area under the receiver operating characteristic curve value of 0. 95 on one dataset and 0. 92 on another.

Document Classification Retrieval +2

PatternRank: Leveraging Pretrained Language Models and Part of Speech for Unsupervised Keyphrase Extraction

1 code implementation11 Oct 2022 Tim Schopf, Simon Klimek, Florian Matthes

Keyphrase extraction is the process of automatically selecting a small set of most relevant phrases from a given text.

Keyphrase Extraction

A Decade of Knowledge Graphs in Natural Language Processing: A Survey

1 code implementation30 Sep 2022 Phillip Schneider, Tim Schopf, Juraj Vladika, Mikhail Galkin, Elena Simperl, Florian Matthes

In pace with developments in the research field of artificial intelligence, knowledge graphs (KGs) have attracted a surge of interest from both academia and industry.

Knowledge Graphs

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