Information Retrieval Systems NLP Tools

Core implementations of document retrieval, ranking, and indexing systems using techniques like TF-IDF, BM25, cosine similarity, and inverted indexes. Includes search engine architectures and query-document matching. Does NOT include question-answering systems, dense retrieval with neural embeddings as primary focus, or domain-specific applications like resume matching or fake news detection.

There are 22 information retrieval systems tools tracked. The highest-rated is williamscott701/Information-Retrieval at 43/100 with 133 stars.

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#	Tool	Score	Tier	Stars	Language
1	williamscott701/Information-Retrieval Information Retrieval algorithms developed in python. To follow the blog...	43	Emerging	133	Jupyter Notebook
2	microsoft/SimXNS SimXNS is a research project for information retrieval. This repo contains...	39	Emerging	116	Python
3	park1997/Industrial_systems_Engineering_PJ_Cloud 나홀로 소송을 준비하는 일반인을 위한 법률 정보 시스템 구축	33	Emerging	5	Python
4	ronaldseoh/cs276 Me working on "CS276: Information Retrieval and Web Search"	32	Emerging	36	—
5	danakianfar/information_retrieval_1 Information Retrieval Course 2017 - MSc Artificial Intelligence @ UvA	32	Emerging	4	Jupyter Notebook
6	aifenaike/Semantic_Search_and_Retrieval A Query-Document pair ranking system using GloVe embeddings and RankCosine.	32	Emerging	5	Jupyter Notebook
7	screddy1313/boolean-query-retrieval In this project we will be building boolean query retrieval model using...	31	Emerging	4	Jupyter Notebook
8	dyneth02/IRWA-Labs A specialized toolkit for Information Retrieval and Web Analytics. This rep...	23	Experimental	8	Jupyter Notebook
9	AlessioMongelluzzo/FISinFIS_Apriori_Python Python implementation of FISinFIS Apriori algorithm for PAR and NAR mining...	21	Experimental	1	Python
10	zamirmehdi/Information-Retrieval-Project A three-phase Persian news search engine to retrieve text documents in...	17	Experimental	4	Python
11	SepAbs/Information-Retrieval-System-Developing-with-Spelling-Correction-and-Wildcard-Queries Built Information Retrieval (IR) system with spelling correction and...	15	Experimental	1	Jupyter Notebook
12	SepAbs/Information-Retrieval-System-Developing-with-Advanced-Boolean Developed Information Retrieval (IR) system with Boolean and proximity...	15	Experimental	1	Jupyter Notebook
13	spiliossp/Information-Retrieval An Information Retrieval engine for scientific papers – Lucene-powered with...	15	Experimental	1	Java
14	tskatia/Historical_News_Question_Answering A multi-stage Information Retrieval system for historical newspapers...	14	Experimental	1	Jupyter Notebook
15	Amir-Entezari/IR-document-ranking An information retrieval system for document ranking. Implementation and...	12	Experimental	5	Jupyter Notebook
16	hailiang-wang/text-error-correction Text Query Rewrite	11	Experimental	—	Java
17	kenares/NLP-Information-Retrieval compilation of notebooks	11	Experimental	—	Jupyter Notebook
18	Amir-Entezari/IR-boolean-search Information Retrieval Project: This repository contains a suite of Python...	10	Experimental	2	Jupyter Notebook
19	SAIKUMARREDDYGANUGAPENTA/News-Article-Retrieval A simple information retrieval system using a graphical user interface (GUI)...	10	Experimental	2	Python
20	Rohanberiwal/NLP-Information-Retrival This repository focuses on essential concepts and techniques in Natural...	10	Experimental	2	Python
21	MShirshekar/NLP-response-query NLP response query with cosine similarity of documents' tf-idf vectors	10	Experimental	2	Jupyter Notebook
22	viseshrp/Document-Search-Ranking-Hadoop-MapReduce Search, retrieval and ranking of documents based on search terms in a query.	10	Experimental	2	Java