activity
20142026
most citedGenerating Natural Language Descriptions from OWL Ontologies: the NaturalOWL System

101 citations · 145 across the 25 of their papers we have counts for

collaborators

26 papers

cs.AI2026

A Benchmark for Deep Information Synthesis

Debjit Paul, Daniel Murphy, Milan Gritta +14

Large language model (LLM)-based agents are increasingly used to solve complex tasks involving tool use, such as web browsing, code execution, and data analysis. However, current e…

cs.CL2025

Conjecturing: An Overlooked Step in Formal Mathematical Reasoning

Jasivan Alex Sivakumar, Philipp Borchert, Ronald Cardenas +1

Autoformalisation, the task of expressing informal mathematical statements in formal language, is often viewed as a direct translation process. This, however, disregards a critical…

cs.CL2025

TopoAlign: A Framework for Aligning Code to Math via Topological Decomposition

Yupei Li, Philipp Borchert, Gerasimos Lampouras

Large Language Models (LLMs) excel at both informal and formal (e.g. Lean 4) mathematical reasoning but still struggle with autoformalisation, the task of transforming informal int…

cs.AI2025

DRIFT: Decompose, Retrieve, Illustrate, then Formalize Theorems

Meiru Zhang, Philipp Borchert, Milan Gritta +1

Automating the formalization of mathematical statements for theorem proving remains a major challenge for Large Language Models (LLMs). LLMs struggle to identify and utilize the pr…

cs.CL2025

DReSD: Dense Retrieval for Speculative Decoding

Milan Gritta, Huiyin Xue, Gerasimos Lampouras

Speculative decoding (SD) accelerates Large Language Model (LLM) generation by using an efficient draft model to propose the next few tokens, which are verified by the LLM in a sin…

cs.CL2024

SparsePO: Controlling Preference Alignment of LLMs via Sparse Token Masks

Fenia Christopoulou, Ronald Cardenas, Gerasimos Lampouras +2

Direct alignment algorithms have proven an effective step for aligning language models to human-desired behaviors. Current variants of the Direct Preference Optimization objective…

cs.CL2024

Mixture of Attentions For Speculative Decoding

Matthieu Zimmer, Milan Gritta, Gerasimos Lampouras +2

The growth in the number of parameters of Large Language Models (LLMs) has led to a significant surge in computational requirements, making them challenging and costly to deploy. S…

cs.AI2024★ 2 cited

Human-inspired Episodic Memory for Infinite Context LLMs

Zafeirios Fountas, Martin A Benfeghoul, Adnan Oomerjee +4

Large language models (LLMs) have shown remarkable capabilities, but still struggle with processing extensive contexts, limiting their ability to maintain coherence and accuracy ov…

cs.CL2024★ 1 cited

Code-Optimise: Self-Generated Preference Data for Correctness and Efficiency

Leonidas Gee, Milan Gritta, Gerasimos Lampouras +1

Code Language Models have been trained to generate accurate solutions, typically with no regard for runtime. On the other hand, previous works that explored execution optimisation…

cs.CL2024

HumanRankEval: Automatic Evaluation of LMs as Conversational Assistants

Milan Gritta, Gerasimos Lampouras, Ignacio Iacobacci

Language models (LMs) as conversational assistants recently became popular tools that help people accomplish a variety of tasks. These typically result from adapting LMs pretrained…

cs.CL2024

Encoder-Decoder Framework for Interactive Free Verses with Generation with Controllable High-Quality Rhyming

Tommaso Pasini, Alejo López-Ávila, Husam Quteineh +5

Composing poetry or lyrics involves several creative factors, but a challenging aspect of generation is the adherence to a more or less strict metric and rhyming pattern. To addres…

cs.CV2024

MULAN: A Multi Layer Annotated Dataset for Controllable Text-to-Image Generation

Petru-Daniel Tudosiu, Yongxin Yang, Shifeng Zhang +5

Text-to-image generation has achieved astonishing results, yet precise spatial controllability and prompt fidelity remain highly challenging. This limitation is typically addressed…

cs.CL2024

Text-to-Code Generation with Modality-relative Pre-training

Fenia Christopoulou, Guchun Zhang, Gerasimos Lampouras

Large pre-trained language models have recently been expanded and applied to programming language tasks with great success, often through further pre-training of a strictly-natural…

cs.CL2024

Findings of the First Workshop on Simulating Conversational Intelligence in Chat

Yvette Graham, Mohammed Rameez Qureshi, Haider Khalid +3

The aim of the workshop was to bring together experts working on open-domain dialogue research. In this speedily advancing research area many challenges still exist, such as learni…

cs.LG2023

Automatic Unit Test Data Generation and Actor-Critic Reinforcement Learning for Code Synthesis

Philip John Gorinski, Matthieu Zimmer, Gerasimos Lampouras +2

The advent of large pre-trained language models in the domain of Code Synthesis has shown remarkable performance on various benchmarks, treating the problem of Code Generation in a…

cs.CL2023★ 2 cited

Exploring Data Augmentation for Code Generation Tasks

Pinzhen Chen, Gerasimos Lampouras

Advances in natural language processing, such as transfer learning from pre-trained language models, have impacted how models are trained for programming language tasks too. Previo…

cs.CL2022★ 2 cited

Topic-Aware Response Generation in Task-Oriented Dialogue with Unstructured Knowledge Access

Yue Feng, Gerasimos Lampouras, Ignacio Iacobacci

To alleviate the problem of structured databases' limited coverage, recent task-oriented dialogue systems incorporate external unstructured knowledge to guide the generation of sys…

cs.CL2022

Training Dynamics for Curriculum Learning: A Study on Monolingual and Cross-lingual NLU

Fenia Christopoulou, Gerasimos Lampouras, Ignacio Iacobacci

Curriculum Learning (CL) is a technique of training models via ranking examples in a typically increasing difficulty trend with the aim of accelerating convergence and improving ge…

cs.LG2022★ 24 cited

PanGu-Coder: Program Synthesis with Function-Level Language Modeling

Fenia Christopoulou, Gerasimos Lampouras, Milan Gritta +19

We present PanGu-Coder, a pretrained decoder-only language model adopting the PanGu-Alpha architecture for text-to-code generation, i.e. the synthesis of programming language solut…

cs.CL2021★ 1 cited

Generalising Multilingual Concept-to-Text NLG with Language Agnostic Delexicalisation

Giulio Zhou, Gerasimos Lampouras

Concept-to-text Natural Language Generation is the task of expressing an input meaning representation in natural language. Previous approaches in this task have been able to genera…

cs.CL2020

Conversation Graph: Data Augmentation, Training and Evaluation for Non-Deterministic Dialogue Management

Milan Gritta, Gerasimos Lampouras, Ignacio Iacobacci

Task-oriented dialogue systems typically rely on large amounts of high-quality training data or require complex handcrafted rules. However, existing datasets are often limited in s…

cs.CL2020★ 11 cited

Show Us the Way: Learning to Manage Dialog from Demonstrations

Gabriel Gordon-Hall, Philip John Gorinski, Gerasimos Lampouras +1

We present our submission to the End-to-End Multi-Domain Dialog Challenge Track of the Eighth Dialog System Technology Challenge. Our proposed dialog system adopts a pipeline archi…

cs.CL2020

Informed Sampling for Diversity in Concept-to-Text NLG

Giulio Zhou, Gerasimos Lampouras

Deep-learning models for language generation tasks tend to produce repetitive output. Various methods have been proposed to encourage lexical diversity during decoding, but this of…

cs.CL2018

Generating Texts with Integer Linear Programming

Gerasimos Lampouras, Ion Androutsopoulos

Concept-to-text generation typically employs a pipeline architecture, which often leads to suboptimal texts. Content selection, for example, may greedily select the most important…