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accumulator

Benchmarking several score accumulators used in IR

bmp

Faster Learned Sparse Retrieval with Block-Max Pruning. ACM SIGIR 2024.

ciff

The inverted index exchange format as defined as part of the Open-Source IR Replicability Challenge (OSIRRC) initiative

ciff-hub

Hosting some useful CIFFs

docker

Docker image for PISA

ecir19-bisection

Experiments for "Compressing Inverted Indexes with Recursive Graph Bisection: A Reproducibility Study".

krovetzstemmer

Krovetz stemming library

mln

An implementation of the Most-Likely-Next algorithm

nyt-corpus-reader

A parser and MongoDB backed store for searching the New York Times Annotated Corpus (LDC2008T19)

nytpp

A C++ parser for the New York Times (NYT) format.

pisa

PISA: Performant Indexes and Search for Academia

pisa-engine.github.io

pisa-jr

Minimal implementation of PISA in Rust

porter2

Porter2 stemming library

pyciff

Python bindings for CIFF library at https://github.com/pisa-engine/ciff

pypisa

A Python interface to the PISA IR engine

raxpp

C++ bindings for rax: https://github.com/antirez/rax

search-benchmark-game

standard-benchmark

Standard speed regression test for PISA

taily

Implementation of Taily algorithm as described by Aly et al. in the 2013 paper "Taily: shard selection using the tail of score distributions."

tokenizer

topk-threshold-estimation

Experiments for "A Comparison of Top-k Threshold Estimation Techniques for Disjunctive Query Processing"

trec-text-rs

TREC Text collection format parser

trecpp

A C++ parser for the TREC document format.

wapopp

A C++ parser for the Washington Post (WaPo) format.

warcpp

A C++ parser for the Web Archive (WARC) format.