Resources by Lisa

Steem Blockchain – Incentivized Social Media Platform Data

Steem Blockchain – Incentivized Social Media Platform Data

Lisa
Open Dataset
Creators: Steem / Steemit Inc.
Publication Date: 2023
Creators: Steem / Steemit Inc.

The Steem blockchain is a decentralised, incentivized social media platform where users earn cryptocurrency rewards for creating and curating content. All transaction and content data on the Steem blockchain is publicly accessible via its developer API, including post data, voting behaviour, user interactions, and reward distributions.

EMCluster – R Package for EM Algorithm-Based Model-Based Clustering

EMCluster – R Package for EM Algorithm-Based Model-Based Clustering

Lisa
Open Dataset
Creators: Wei-Chen Chen and Ranjan Maitra
Publication Date: 2024
Creators: Wei-Chen Chen and Ranjan Maitra

EMCluster is an open-source R package that implements the Expectation-Maximisation (EM) algorithm for model-based clustering of multivariate data. It provides tools for fitting Gaussian mixture models and identifying cluster structures in large datasets.

BERTopic – Neural Topic Modelling Python Library

BERTopic – Neural Topic Modelling Python Library

Lisa
Open Dataset
Creators: Maarten Grootendorst
Publication Date: 2024
Creators: Maarten Grootendorst

BERTopic is an open-source Python library for topic modelling that leverages transformer-based language models (such as BERT) and clustering techniques to discover coherent topics in large text corpora. It enables researchers to extract and analyse thematic structures from unstructured text data.

U.S. Regional Healthcare Utilisation Data

U.S. Regional Healthcare Utilisation Data

Lisa
Open Dataset
Creators: Dartmouth Institute for Health Policy and Clinical Practice
Publication Date: 2024
Creators: Dartmouth Institute for Health Policy and Clinical Practice

The Dartmouth Atlas of Health Care provides detailed data on how medical resources are distributed and used in the United States, covering hospital service areas, healthcare spending, utilisation rates, and regional variation in care delivery. The data is based on Medicare claims and covers the entire U.S. geography.

China National Standards Database (SAMR) – Guobiao (GB) Standards Repository

China National Standards Database (SAMR) – Guobiao (GB) Standards Repository

Lisa
Open Dataset
Creators: State Administration for Market Regulation (SAMR), China
Publication Date: 2026-04-30
Creators: State Administration for Market Regulation (SAMR), China

The China National Standards Database, maintained by the State Administration for Market Regulation (SAMR), provides access to China’s national (Guobiao/GB) standards across all industries and technology domains. It catalogues mandatory and voluntary standards, including their scope, issuing bodies, and adoption dates.

NBER U.S. Patent Citations Data

NBER U.S. Patent Citations Data

Lisa
Open Dataset
Creators: Bronwyn H. Hall, Adam B. Jaffe, and Manuel Trajtenberg 
Publication Date: 2001
Creators: Bronwyn H. Hall, Adam B. Jaffe, and Manuel Trajtenberg 

The NBER U.S. Patent Citations dataset covers all utility patents granted by the U.S. Patent and Trademark Office between 1975 and 1999, including detailed information on patent assignees, technology classifications, citation counts, and inventor locations. It is one of the most widely used datasets in innovation research.

Replication Data: Competition and Cognition in the Market for Online News

Replication Data: Competition and Cognition in the Market for Online News

Lisa
Open Dataset
Creators: Cornelius Puschmann, 
Publication Date: 2022-09-26
Creators: Cornelius Puschmann, 

This dataset, hosted on the Open Science Framework (OSF), contains the replication data for the study “Competition and Cognition in the Market for Online News” (Ray, Ghasemkhani & Martinelli, 2024, Journal of Management Information Systems). It includes data on online news consumption, user behaviour, and media market competition, used to examine how competitive dynamics among online news platforms interact with cognitive factors, such as reader attention and information processing, to shape news consumption patterns and media market outcomes.

Industrial Pollution in Europe Data

Industrial Pollution in Europe Data

Lisa
Open Dataset
Creators: European Environment Agency (EEA)
Publication Date: 2026
Creators: European Environment Agency (EEA)

The European Environment Agency (EEA) publishes data and assessments on industrial pollution across Europe, drawing on the European Pollutant Release and Transfer Register (E-PRTR). The dataset covers facility-level emissions of pollutants to air, water, and land, enabling analysis of industrial environmental performance across EU member states.

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