Open Source Algorithms

The Zip Code Database project exists to provide US Zip Codes in their entirety; latitude and longitude coordinates included! See the home page for the distance calculation algorithm.

C-squares is an easily implemented method for storage, querying and display of spatial data locations, based on a hierarchical, grid-based representation of the Earth' surface. Source code for encoding, decoding, mapping, etc. is provided via this site. Additional support is available by contacting the system developer, Tony.Rees@marinespecies.org; see also the c-squares home page at http://www.cmar.csiro.au/csquares/ .

This php program extracts all URLs present on the requested URL, in absolute path.

This project intends to create an indexing search engine, for knowledge management. The primary object is to apply an information retrieval core. And implement a knowledge data discovery theory such as data mining algorithm, text mining.

A multi-platform information extraction/ontology population library from HTML documents, written in C++

Phonetix.Net is a C# class-library of phonetic algorithms, implementing Soundex, Metaphone and DoubleMetaphone, with adapters for Lucene.Net. It is a port of the Java-based Phonetix library.

A threaded Web graph (Power law random graph) generator written in Python. It can generate a synthetic Web graph of about one million nodes in a few minutes on a desktop machine. It implements a threaded variant of the RMAT algorithm.

The Rank Aggregation and Evaluation Suite is a comprehensive set of rank aggregation algorithms and performance measurement tools for use in research.

A fast way to rate the reading challenging level of book or text. Unlike well known reading metrics such as Fog, Kincaid, SMOG, ARI, Flesch, and Coleman-Liau readability this metric takes into account far more factors and is standarized against a corpus

Open Source Tool for Search Engine Optimization (SEO & SEM) used for automatic content processing. These SEO Content Genrators and Article Writers based on Text Writer: https://www.artikelschreiber.com/en/ https://www.unaique.net/en/ https://www.unaique.com/ https://www.artikelschreiben.com/ https://www.buzzerstar.com/ https://googleduplicatecontentsolver.sourceforge.io/ https://inkassos.github.io/inkasso/ https://www.artikelschreiber.com/opensource/ https://www.sebastianenger.com/ https://www.artikelschreiber.com/marketing/review/ https://muckrack.com/markus-muller https://linktr.ee/textgenerator Code Contains: - Perl Source code, language databases and more

The library does quick search of dictionary words in arbitrary input strings. Known problems are known. :) See appropriate section in documentation. Also, only ASCII words and strings for now.

A library to support spread activation techniques over ontologies.

This application implement an approach for doing keyword based search over semi-structured data available in HTML pages.