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AI · December 17, 2021

AL

A labelling tool to easily extract and label Wikipedia data

Hi HN! I am Maria, solo founder of DataQA (https://dataqa.ai/), a tool to search and label documents for various NLP tasks (e.g. entity extraction, entity linking, etc). I have worked as a data scientist and ML engineer for the better part of a decade, and over that time have specialised mainly in applications involving natural language processing (NLP). One of the key questions I have always had at the back of my mind is whether my time was well spent. Whenever I spent more time on feature engineering or trying different models, I always wondered whether I would get better…

A labelling tool to easily extract and label Wikipedia data launched on December 17, 2021 with 116 votes, #287 of 2,707 launches that month and more than 90% of that year's launches.

Alternativestop 11% of December 2021

In plain words

DataQA is an open-source tool for searching and labeling documents for natural language processing tasks such as entity extraction and entity linking. Built by a machine learning engineer with a decade of NLP experience, it helps data scientists explore and annotate data more efficiently. The tool comes packaged with Elasticsearch for text search functionality and is designed to optimize the return on investment from labeling efforts.

written from the facts on this page · September 2026

From the sources

In the maker’s words, at launch

Hi HN! I am Maria, solo founder of DataQA (https://dataqa.ai/), a tool to search and label documents for various NLP tasks (e.g. entity extraction, entity linking, etc). I have worked as a data scientist and ML engineer for the better part of a decade, and over that time have specialised mainly in…

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