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Information Retrieval Fundamentals #1 — Sparse vs Dense Retrieval & Evaluation Metrics: TF-IDF, BM25, Dense Retrieval and ColBERT

mburaksayici.com · published 12 October 2025

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https://github.com/mburaksayici/InformationRetrievalTutorial
github.com
https://www.marqo.ai/blog/what-is-mrr-in-machine-learning
marqo.ai
https://medium.com/@readwith_emma/understanding-okapi-bm25-document-ranking-algorithm-70d81adab001
medium.com
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kmwllc.com
https://www.linkedin.com/pulse/bm25-advancement-ai-rag-aditya-rajput-pwjhe/
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https://adityagoel123.medium.com/concept-of-bm25-vectors-2c1a2137bd12
adityagoel123.medium.com
https://mburaksayici.com/blog/2025/05/06/llm-interviews-vector-dbs.html
mburaksayici.com
https://arxiv.org/pdf/2004.04906
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https://arxiv.org/pdf/2002.10957
arxiv.org
https://x.com/helloiamleonie/status/1831667680970948878/photo/1
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https://x.com/helloiamleonie/status/1846512890670358661
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https://developer.ibm.com/articles/how-colbert-works/
developer.ibm.com
https://qdrant.tech/documentation/fastembed/fastembed-colbert/
qdrant.tech
https://community.deeplearning.ai/t/why-is-simple-matmul-of-embedding-vectors-describes-theirs-similarity/673843/24
community.deeplearning.ai
https://nlp.stanford.edu/IR-book/
nlp.stanford.edu
https://en.wikipedia.org/wiki/Okapi_BM25
en.wikipedia.org
https://scikit-learn.org/stable/modules/generated/sklearn.feature_extraction.text.TfidfVectorizer.html
scikit-learn.org
https://mungingdata.wordpress.com/2017/11/25/episode-1-using-tf-idf-to-identify-the-signal-from-the-noise/
mungingdata.wordpress.com
https://www.sbert.net/
sbert.net
https://huggingface.co/sentence-transformers/all-MiniLM-L6-v2
huggingface.co
https://huggingface.co/facebook/dpr-question_encoder-single-nq-base
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https://huggingface.co/facebook/dpr-ctx_encoder-single-nq-base
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https://arxiv.org/abs/2004.12832
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https://github.com/jina-ai/ragatouille
github.com
https://huggingface.co/cross-encoder/ms-marco-MiniLM-L-6-v2
huggingface.co
https://en.wikipedia.org/wiki/Mean_reciprocal_rank
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https://en.wikipedia.org/wiki/Discounted_cumulative_gain
en.wikipedia.org
https://scikit-learn.org/stable/modules/model_evaluation.html
scikit-learn.org
https://www.kaggle.com/code/youssef19/information-retrieval-with-langchain
kaggle.com
https://www.kaggle.com/code/sahanavejlr/evaluating-ir-on-kaggle-dataset
kaggle.com
https://www.kaggle.com/code/vabatista/introduction-to-information-retrieval/notebook
kaggle.com
https://github.com/facebookresearch/faiss
github.com
https://github.com/castorini/pyserini
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https://huggingface.co/datasets/beir
huggingface.co