Search Results for author: Juraj Vladika

Found 20 papers, 9 papers with code

TUM sebis at GermEval 2022: A Hybrid Model Leveraging Gaussian Processes and Fine-Tuned XLM-RoBERTa for German Text Complexity Analysis

3 code implementations GermEval 2022 Juraj Vladika, Stephen Meisenbacher, Florian Matthes

The task of quantifying the complexity of written language presents an interesting endeavor, particularly in the opportunity that it presents for aiding language learners.

Gaussian Processes

On the Influence of Context Size and Model Choice in Retrieval-Augmented Generation Systems

1 code implementation20 Feb 2025 Juraj Vladika, Florian Matthes

Finally, we show that different general-purpose LLMs excel in the biomedical domain than the encyclopedic one, and that open-domain evidence retrieval in large corpora is challenging.

Long Form Question Answering RAG +1

Adapter-based Approaches to Knowledge-enhanced Language Models -- A Survey

no code implementations25 Nov 2024 Alexander Fichtl, Juraj Vladika, Georg Groh

Knowledge-enhanced language models (KELMs) have emerged as promising tools to bridge the gap between large-scale language models and domain-specific knowledge.

General Knowledge Knowledge Graphs +2

Towards Optimizing a Retrieval Augmented Generation using Large Language Model on Academic Data

no code implementations13 Nov 2024 Anum Afzal, Juraj Vladika, Gentrit Fazlija, Andrei Staradubets, Florian Matthes

Given the growing trend of many organizations integrating Retrieval Augmented Generation (RAG) into their operations, we assess RAG on domain-specific data and test state-of-the-art models across various optimization techniques.

In-Context Learning Language Modeling +3

Enhancing Answer Attribution for Faithful Text Generation with Large Language Models

no code implementations22 Oct 2024 Juraj Vladika, Luca Mülln, Florian Matthes

The increasing popularity of Large Language Models (LLMs) in recent years has changed the way users interact with and pose questions to AI-based conversational systems.

Retrieval Text Generation

DP-MLM: Differentially Private Text Rewriting Using Masked Language Models

1 code implementation30 Jun 2024 Stephen Meisenbacher, Maulik Chevli, Juraj Vladika, Florian Matthes

The task of text privatization using Differential Privacy has recently taken the form of $\textit{text rewriting}$, in which an input text is obfuscated via the use of generative (large) language models.

Decoder

MedREQAL: Examining Medical Knowledge Recall of Large Language Models via Question Answering

no code implementations9 Jun 2024 Juraj Vladika, Phillip Schneider, Florian Matthes

In recent years, Large Language Models (LLMs) have demonstrated an impressive ability to encode knowledge during pre-training on large text corpora.

Question Answering

Towards A Structured Overview of Use Cases for Natural Language Processing in the Legal Domain: A German Perspective

no code implementations29 Apr 2024 Juraj Vladika, Stephen Meisenbacher, Martina Preis, Alexandra Klymenko, Florian Matthes

In recent years, the field of Legal Tech has risen in prevalence, as the Natural Language Processing (NLP) and legal disciplines have combined forces to digitalize legal processes.

Systematic Literature Review

Improving Health Question Answering with Reliable and Time-Aware Evidence Retrieval

1 code implementation12 Apr 2024 Juraj Vladika, Florian Matthes

In today's digital world, seeking answers to health questions on the Internet is a common practice.

Question Answering Retrieval +1

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

Comparing Knowledge Sources for Open-Domain Scientific Claim Verification

no code implementations5 Feb 2024 Juraj Vladika, Florian Matthes

We test the final verdict prediction of systems on four datasets of biomedical and health claims in different settings.

Claim Verification Evidence Selection +3

Diversifying Knowledge Enhancement of Biomedical Language Models using Adapter Modules and Knowledge Graphs

no code implementations21 Dec 2023 Juraj Vladika, Alexander Fichtl, Florian Matthes

In this paper, we develop an approach that uses lightweight adapter modules to inject structured biomedical knowledge into pre-trained language models (PLMs).

Document Classification Knowledge Graphs +2

Scientific Fact-Checking: A Survey of Resources and Approaches

no code implementations26 May 2023 Juraj Vladika, Florian Matthes

In particular, scientific fact-checking is the variation of the task concerned with verifying claims rooted in scientific knowledge.

Fact Checking Misinformation +1

Sebis at SemEval-2023 Task 7: A Joint System for Natural Language Inference and Evidence Retrieval from Clinical Trial Reports

1 code implementation25 Apr 2023 Juraj Vladika, Florian Matthes

The first one is a pipeline system that models the two tasks separately, while the second one is a joint system that learns the two tasks simultaneously with a shared representation and a multi-task learning approach.

Multi-Task Learning Natural Language Inference +1

Investigating Conversational Search Behavior For Domain Exploration

1 code implementation10 Jan 2023 Phillip Schneider, Anum Afzal, Juraj Vladika, Daniel Braun, Florian Matthes

Conversational search has evolved as a new information retrieval paradigm, marking a shift from traditional search systems towards interactive dialogues with intelligent search agents.

Conversational Search Information Retrieval +1

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

TakeLab at SemEval-2019 Task 4: Hyperpartisan News Detection

no code implementations SEMEVAL 2019 Niko Pali{\'c}, Juraj Vladika, Dominik {\v{C}}ubeli{\'c}, Ivan Lovren{\v{c}}i{\'c}, Maja Buljan, Jan {\v{S}}najder

In this paper, we demonstrate the system built to solve the SemEval-2019 task 4: Hyperpartisan News Detection (Kiesel et al., 2019), the task of automatically determining whether an article is heavily biased towards one side of the political spectrum.

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