activity
20202026
most citedHex2vec -- Context-Aware Embedding H3 Hexagons with OpenStreetMap Tags

34 citations · 84 across the 10 of their papers we have counts for

collaborators

15 papers

cs.CV2026

GeoLEON-CLIP: Graph-Anchored Multimodal Contrastive Learning for Geographic Region Representation

Radoslaw Malek, Szymon Soltysiak, Aleksandra Kawala-Sterniuk +1

Geographic regions are multimodal: satellite imagery captures visual morphology, text conveys human-interpretable semantics, and map structures describe urban context. Existing geo…

cs.IR2026

From a Large-Scale Teacher to Efficient Multimodal Students for Search Relevance Prediction

Tomasz Gniazdowski, Mohammadreza Momenifar, Nadia Vase +6

Relevance prediction between user queries and items is a fundamental component of e-commerce search systems. Traditionally, high-quality relevance labels are obtained through human…

cs.LG2026

LEON: Location Embeddings from OSM Neighborhoods via Hexagonal Graph Masked Autoencoders

Szymon Soltysiak, Radoslaw Malek, Jedrzej Kusnierz +3

Geographic information systems increasingly rely on sophisticated spatial representation learning techniques to extract meaningful patterns from complex geospatial data. This paper…

cs.LG2025

OBSR: Open Benchmark for Spatial Representations

Julia Moska, Oleksii Furman, Kacper Kozaczko +4

GeoAI is evolving rapidly, fueled by diverse geospatial datasets like traffic patterns, environmental data, and crowdsourced OpenStreetMap (OSM) information. While sophisticated AI…

cs.CL2025

A Vision for Geo-Temporal Deep Research Systems: Towards Comprehensive, Transparent, and Reproducible Geo-Temporal Information Synthesis

Bruno Martins, Piotr Szymański, Piotr Gramacki

The emergence of Large Language Models (LLMs) has transformed information access, with current LLMs also powering deep research systems that can generate comprehensive report-style…

cs.CL2024★ 27 cited

Evaluation of Code LLMs on Geospatial Code Generation

Piotr Gramacki, Bruno Martins, Piotr Szymański

Software development support tools have been studied for a long time, with recent approaches using Large Language Models (LLMs) for code generation. These models can generate Pytho…

cs.LG2023★ 5 cited

SRAI: Towards Standardization of Geospatial AI

Piotr Gramacki, Kacper Leśniara, Kamil Raczycki +3

Spatial Representations for Artificial Intelligence (srai) is a Python library for working with geospatial data. The library can download geospatial data, split a given area into m…

cs.SD2023★ 2 cited

Improved DeepFake Detection Using Whisper Features

Piotr Kawa, Marcin Plata, Michał Czuba +2

With a recent influx of voice generation methods, the threat introduced by audio DeepFake (DF) is ever-increasing. Several different detection methods have been presented as a coun…

cs.CL2022★ 5 cited

This is the way: designing and compiling LEPISZCZE, a comprehensive NLP benchmark for Polish

Łukasz Augustyniak, Kamil Tagowski, Albert Sawczyn +9

The availability of compute and data to train larger and larger language models increases the demand for robust methods of benchmarking the true progress of LM training. Recent yea…

cs.LG2021★ 5 cited

gtfs2vec -- Learning GTFS Embeddings for comparing Public Transport Offer in Microregions

Piotr Gramacki, Szymon Woźniak, Piotr Szymański

We selected 48 European cities and gathered their public transport timetables in the GTFS format. We utilized Uber's H3 spatial index to divide each city into hexagonal micro-regio…

cs.LG2021★ 6 cited

Transfer Learning Approach to Bicycle-sharing Systems' Station Location Planning using OpenStreetMap Data

Kamil Raczycki, Piotr Szymański

Bicycle-sharing systems (BSS) have become a daily reality for many citizens of larger, wealthier cities in developed regions. However, planning the layout of bicycle-sharing statio…

cs.LG2021★ 34 cited

Hex2vec -- Context-Aware Embedding H3 Hexagons with OpenStreetMap Tags

Szymon Woźniak, Piotr Szymański

Representation learning of spatial and geographic data is a rapidly developing field which allows for similarity detection between areas and high-quality inference using deep neura…

cs.SI2021

Spatial Data Mining of Public Transport Incidents reported in Social Media

Kamil Raczycki, Marcin Szymański, Yahor Yeliseyenka +2

Public transport agencies use social media as an essential tool for communicating mobility incidents to passengers. However, while the short term, day-to-day information about tran…

cs.CL2020

WER we are and WER we think we are

Piotr Szymański, Piotr Żelasko, Mikolaj Morzy +6

Natural language processing of conversational speech requires the availability of high-quality transcripts. In this paper, we express our skepticism towards the recent reports of v…

cs.CL2020

Is the Best Better? Bayesian Statistical Model Comparison for Natural Language Processing

Piotr Szymański, Kyle Gorman

Recent work raises concerns about the use of standard splits to compare natural language processing models. We propose a Bayesian statistical model comparison technique which uses…