A standalone Java Decompiler GUI

AI + Data, online. https://vespa.ai

A collection of powerful data structures

An open source clone of Amazon's Dynamo.

fastutil extends the Java™ Collections Framework by providing type-specific maps, sets, lists and queues.

💎Collection of algorithms and data structures

Anserini is a Lucene toolkit for reproducible information retrieval research

Terrier IR Platform

Restful index server for teaching purposes. [I do not maintain this repository any more.]

DocId set compression and set operation library

Tools relating to the CC-News-En Collection

Library for Distributed Retrieval

64-bit integer compression algorithms in Java

Indexing TREC corpora and Wikipedia using Lucene

JET, the Java Extraction Tool.

A comparison of two search algorithms used to search queries in large datasets: TAAT (term at a time) and DAAT (document at a time).

Selective search partitions large scale dataset into subsets(shards) such that only few shards needs to be searched for a query, thus improving search efficiency and effectiveness

Binary delta encoding for series of floating point numbers

Elias-Fano compression for Terrier 5

Document-at-a-time query processing with WAND optimization.

An efficient layer to perform query processing on top of Terrier

A tool to create D2SI format collections from the CC-NEWS crawl using Apache Tika and Lucene

Natural Language Processing by Ralph Grishman

School Work

Java tools for evaluating BitFunnel performance compared to an mg4j baseline.

NYU CS Projects

Dhulipala, Laxman, et al. "Compressing Graphs and Indexes with Recursive Graph Bisection." arXiv preprint arXiv:1602.08820 (2016).

Natural Language Processing POS tagger using Viterbi Algorithm