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| dblink | splink | |
|---|---|---|
| 1 | 16 | |
| 54 | 1,086 | |
| - | 8.7% | |
| 0.0 | 9.9 | |
| almost 3 years ago | 6 days ago | |
| Scala | Python | |
| GNU General Public License v3.0 or later | MIT License |
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dblink
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[D] Machine Learning and "Record Linkage"
Felligi-Sunter is the baseline model in record linkage research. It is implemented in R in fastLink and RecordLinkage, but you will need training data. There are some other options, e.g. dblink, that use Bayesian methods and a latent variable set up so you don’t need training data.
splink
- Splink: Fast, accurate, scalable probabilistic data linkage
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Ask HN: What projects are you working on?
https://github.com/moj-analytical-services/splink
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Record linkage/Entity linkage
Record linkage has been a big part of a project I've been working on for 6 months now. I personally think a great and free solution be using the splink package in Python which can handle 10+m rows which implements the Fellegi-Sunter model (equivalent to a naive-Bayes model) is the classical model in record linkage. It can be trained in an unsupervised manner using some initial parameter estimation (these are quite intuitive) and then expectation maximisation. The features in the model will be different pairwise string comparisons on your field of interest. These can include exact equality; edit distance comparisons like Levensthein distance and Jaro-Winkler; and phonetic comparisons like soundex and double metaphone. The splink pacakge will handle training the model and then all the graph theory at the end to connect all your links into clusters. All the details you'll need are in the links. https://www.robinlinacre.com/probabilistic\_linkage/ https://moj-analytical-services.github.io/splink/
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What is the best approach to removing duplicate person records if the only identifier is person firstname middle name and last name? These names are entered in varying ways to the DB, thus they are free-fromatted.
https://moj-analytical-services.github.io/splink/ is a FOSS python package (but it runs against your db using SQL).
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DuckDB – in-process SQL OLAP database management system
If you're curious, I've written a FOSS record linkage library that executes everything as SQL. It supports multiple SQL backends including DuckDB and Spark for scale, and runs faster than most competitors because it's able to leverage the speed of these backends: https://github.com/moj-analytical-services/splink
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Ask HN: What have you created that deserves a second chance on HN?
Splink - a python library for probabilistic record linkage (fuzzy matching/entity resolution).
Splink is dramatically faster and works on much larger datasets than other open source libraries. I'm particularly proud of the fact we support multiple execution backends (at the moment, DuckDb Spark Athena and Sqlite, but additional adaptors are relatively straightforward to write).
We've had >4 million pypi downloads and it's used in government, academia and the private sector, often replacing extremely expensive proprietary solutions.
https://github.com/moj-analytical-services/splink
More info in blog posts here:
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Conformed Dimensions problem that keeps recurring on every project
Splink is a SQL tool that can do this https://github.com/moj-analytical-services/splink
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How do you join two sources with attributes that aren't identical?
Probabilistic record matching model such as a Fellegi-Sunter. Check out the splink package in Python.
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Splink 3: Fast, accurate and scalable record linkage (entity resolution) in Python
Main docs here: https://moj-analytical-services.github.io/splink
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Splink 3: Fast, accurate and scalable fuzzy record linkage in Python with support for multiple backends (FOSS)
It'd be great to see Splink add value in this area! Do give us a shout if you have any questions. The best place to post is on the Github discussions: https://github.com/moj-analytical-services/splink/discussions
What are some alternatives?
entity-embed - PyTorch library for transforming entities like companies, products, etc. into vectors to support scalable Record Linkage / Entity Resolution using Approximate Nearest Neighbors.
zingg - Scalable identity resolution, entity resolution, data mastering and deduplication using ML
mmlspark - Simple and Distributed Machine Learning [Moved to: https://github.com/microsoft/SynapseML]
dedupe - :id: A python library for accurate and scalable fuzzy matching, record deduplication and entity-resolution.
sparkMeasure - This is the development repository for sparkMeasure, a tool and library designed for efficient analysis and troubleshooting of Apache Spark jobs. It focuses on easing the collection and examination of Spark metrics, making it a practical choice for both developers and data engineers.
libpostal - A C library for parsing/normalizing street addresses around the world. Powered by statistical NLP and open geo data.
delight - A Spark UI and Spark History Server alternative with CPU and Memory metrics! Delight is free, cross-platform, and open-source.
sqlglot - Python SQL Parser and Transpiler
KaithemAutomation - Pure Python, GUI-focused home automation/consumer grade SCADA
splink_demos - Interactive notebooks containing demonstration code of the splink library
osxphotos - Python app to work with pictures and associated metadata from Apple Photos on macOS. Also includes a package to provide programmatic access to the Photos library, pictures, and metadata.