Open Source Search Software

Isolate Project is a straightforward data retrieval software that connects to popular relational database management systems and performs search operations based on the criteria specified. This project aims to speedup data retrieval operations.

This library implements several locality sensitive hashing(LSH) based algorithms, including indexing data structure for high dimensional spaces and metric spaces, sketch constructions and set embedding algorithms.

An Open source Java library that implements the Extractor(Turner) Algorithm for keyphrases retrieval. This is an utility for summarizing.

This project considers the problem of calculating primes as a sorting problem. It includes the most efficient tree-based sorting algorithm that is possible and shows that finding a new prime can be done by sorting the differences between the previous primes in the right way. Unfortunately it has turned out that going this way is even more slowly than trying to find primes by brute force. So it can only be used as a test with heavy load for the sorting algorithm, which can be used for sorting any kind of data. And as already mentioned, it's just the most efficient tree-based sorting algorithm that you can get. But furthermore this way of finding primes interestingly leaves a hard nut to crack for mathematicians: In very rare cases it finds numbers that are not primes. For all primes below one million this phenomenon arises in exactly two cases: 31213 which is 7 * 7 * 7 * 7 * 13 336141 which is 3 * 3 * 13 * 13 * 13 * 17 Who can explain, why?

StrMatch is a simple java program, created for educational purposes, that allows user to test a great part of string matching algorithms. An intuitive user interface shows each algorithm step accurately...

A light weight Desktop Search Application built in .net C# and Vb.net implemented using file search recursive algorithm and threads. provides explorer like view of files. It can be implemented in mono(platform independent).currently only runs on Microsoft Platform.

用c实现了常用的容器，如果rbtree,hashtable,list,vector,deque,heap,map,以及定时器，os api，应用开发框架。 实现了一个基于btree索引算法的文件数据库,提供了断电保护,以及事务提交与回滚等接口

PileWorks provides the organizational structure for coordinating several different projects which approach some aspect of Pile Technology. PileWorks defines a set of interfaces and implements some basic infrastructure for Pile engines and agents.