14 articles in this selection

2009/08/18

With Google Insights for Search, you can compare search volume patterns across specific regions, categories, time frames and properties.

2009/07/16

It must be depressing to be Microsoft these days. You spend $1.2 billion to acquire enterprise search leader FAST in January 2008 and then another $100 million on semantic search vendor Powerset in July 2008, only to have Doug Cutting's excellent Lucene, an open-source search project, and Solr, an enterprise search server based on Lucene, offer better performance at a 100-percent discount....

2009/07/16

A while back, I wrote about our decision to expand our coverage of Apache Lucene for the Search and Information Access Report, based on what seemed like an accelerating rate of adoption of Lucene and related technologies. That trend appears to be continuing unabated....

2009/07/14

A list of Open Source Search Engines in Java

2009/07/14

Regain is a search engine similar to web search engines like Google, with the difference that you don't search the web, but your own files and documents. Using regain you can search through large portions of data (several gigabytes!) in split seconds!

2009/07/14

IBM OmniFind Yahoo! Edition is a no-charge enterprise search software solution that enables rapid deployment of intranet and file system search for both employees and customers.

2009/07/10

A comparison between Lucene, Zettair, Sphinx, Xapian and RDBMS-based search options.

2009/07/05

Search engines help you find links and documents - they require you to follow these links and open the respective document in order to access information. eyePlorer.com, powered by vionto, provides immediate access to facts. It visualizes facts as well as relationships between facts. Furthermore, eyePlorer.com allows you to collect, process and publish interesting bits of information. eyePlorer.com is a graphical knowledge engine....

2009/06/30

Collective Intelligence in Action is a hands-on guidebook for implementing collective-intelligence concepts using Java. It is the first Java-based book to emphasize the underlying algorithms and technical implementation of vital data gathering and mining techniques like analyzing trends, discovering relationships, and making predictions. It provides a pragmatic approach to personalization by combining content-based analysis with collaborative approaches....

2009/06/30

Apache Lucene is a high-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform.

2009/06/09

In information technology, an inverted index (also referred to as postings file or inverted file) is an index data structure storing a mapping from content, such as words or numbers, to its locations in a database file, or in a document or a set of documents, in this case allowing full text search. The inverted file may be the database file itself, rather than its index. It is the most popular data structure used in document retrieval systems.[1] Several significant general-purpose mainframe-based database management systems have used inverted list architectures, including ADABAS, DATACOM/DB, and Model 204. There are two main variants of inverted indexes: A record level inverted index (or inverted file index or just inverted file) contains a list of references to documents for each word. A word level inverted index (or full inverted index or inverted list) additionally contains the positions of each word within a document.[2] The latter form offers more functionality (like phrase sear...

2008/04/29

Everyone’s an expert on something! Share your knowledge and passion with the world.

2008/03/05

The innovative design allows a user to access a large number of UN databases either by browsing the data series or through a keyword search.

2008/02/20

A new study overturns the common assumption that the ‘Google Generation' – youngsters born or brought up in the Internet age – is the most web-literate. The first ever virtual longitudinal study carried out by the CIBER research team at University C...