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SenseBot (www.sensebot.net) represents a new type of Search Engine that delivers a summary in response to your search query instead of a collection of links to Web pages. SenseBot parses top results returned by a major Web search engine (e.g., Google) and prepares a text summary of them. The summary serves as a digest on the topic of your query, blending together the most significant and relevant aspects of the search results. The summary itself becomes the main result of your search.

Want to create your own semantic search engine, but just don't have the PhDs? Semantic search engine Hakia is opening up APIs to let anyone build their own semantic search application on top of its technology. Hakia looks at the meaning of Web pages and matches search queries using its own quality index of trusted, relevant sites.

Sphinx is a full-text search engine, distributed under GPL version 2. Commercial license is also available for embedded use. Generally, it's a standalone search engine, meant to provide fast, size-efficient and relevant fulltext search functions to other applications. Sphinx was specially designed to integrate well with SQL databases and scripting languages. Currently built-in data sources support fetching data either via direct connection to MySQL or PostgreSQL, or using XML pipe mechanism (a pipe to indexer in special XML-based format which Sphinx recognizes).

The mistake is that semantic search engines present us with Google-like search box and allow us to enter free form queries. So we type the things that we are used to asking - primitive queries. It never occurs to us to type in What actor starred in both Pulp Fiction and Saturday Night Fever? or What two US Senators received donations from a foreign entity? We type simple questions, but this is not where the power of semantic search lies. Lets look at the spectrum of semantic technologies from Google, to SearchMonkey, to Powerset, and Freebase to understand what is going on.

MarkMail is a free service for searching mailing list archives, with huge advantages over traditional search engines. It is powered by MarkLogic Server: Each email is stored internally as an XML document, and accessed using XQuery. All searches, faceted navigation, analytic calculations, and HTML page renderings are performed by a small MarkLogic Server cluster running against millions of messages.

Today I finally plugged-in the Yahoo Boss Mashup Framework into the Google App Engine environment. Google App Engine (GAE) provides a pretty sweet yet simple platform for executing Python applications on Google's infrastructure. The Boss Mashup Framework (BMF) provides Python API's for accessing Yahoo's Search API's as well remixing data a la SQL constructs. Running BMF on top of GAE is a seemingly natural progression, and quite arguably the easiest way to deploy Boss - so I spent today porting BMF to the GAE platform. See also http://bossy.appspot.com/qa?query=who+is+brad+pitt+married+to

Search and get life science PDFs right away at pubget.com

Swingly is a new type of semantic search engine designed to help you find answers to questions - wherever they can be found on the Internet.

DynaQ stands for 'Dynamic Queries for document based, personal information spaces'. The goal of the project is to conceptualise and to develop a prototypical inquiry system to explore the personal information space, that supports the user with the help of the searching paradigm orienteering. The document-based, personal information space of the user constitutes by all documents on his computer. Included are documents of several file formats (e.g. *.pdf), but also the users emails. Also included are all available meta informations and existing semantic informations according to the documents. Users that are not aware of the scientific context of the project can just think of DynaQ as an desktop search engine.

Mustru is a desktop search engine written in Java using Lucene, Lingpipe, and the Berkeley DB . Create an index from a set of directories on your local filesystem and use the Web based interface to query the index. Submit questions in natural language or boolean queries using keywords.

But I've never seen a service that brings social bookmarking and semantic search together the way AntStorm does. The service works on two major fronts: first, AntStorm allows you to upload your bookmarks, tag them, share them, and access them from any computer you choose, and second, AntStorm uses your tagged bookmarks to power a semantic search engine that will help you find new sites and services that match your interests.

Tusavvy, a service of zSoup delivers a new social search engine to find community knowledge without navigating the entire web

novo|seek is a search engine for biomedical literature in Medline

DeepPeep is a search engine specialized in Web forms. The current beta version tracks 13,000 forms across 7 domains. DeepPeep helps you discover the entry points to content in Deep Web (aka Hidden Web) sites, including online databases and Web services.

The YAGO-NAGA project started in 2006 with the goal of building a conveniently searchable, large-scale, highly accurate knowledge base of common facts in a machine-processible representation. We have already harvested knowledge about millions of entities and facts about their relationships, from Wikipedia and WordNet with careful integration of these two sources. The resulting knowledge base, coined YAGO, has very high precision and is freely available. The facts are represented as RDF triples, and we have developed methods and prototype systems for querying, ranking, and exploring knowledge. Our search engine NAGA provides ranked answers to queries based on statistical models.

"Ambiently is a startup company developing web discovery engine applications. Envisioning the broad usage and benefits of creating a page-centric "ambient web" for every page on the web, Ambiently aims to create a new, richer web browsing and search experience for all web users."

The Yahoo! BOSS API allows you to access the Yahoo! search index with new levels of freedom. You can rearrange the results, change their look, have unlimited requests, mash the results with other resources, and you don't even have to let people know that Yahoo! is powering the page. Many people are busy mashing the BOSS results with internal data sets, proprietary logic, and new visual interfaces.

Keotag lets users search for tags across 14 different sites, from Reddit to Ice Rocket.Keotag will also generate folksonomy tags for a blog post, or submit a bookmark to multiple sites.

Zemanta is a service that's focused on helping the blogger/content creator make the process of creating their content simpler and easier. As you write, Zemanta processes all of your text (like a spell checker in a word processing program does) and suggests things to you. Currently, Zemanta suggests stories/posts/research you might want to read as you compose your post, images you might want to include in the post, words you might want to hyperlink out with, and tags for search engines and other services to use to discover your content.

ClioPatria is the award winning, SWI-Prolog-based platform for Semantic Web Applications. It joins the SWI-Prolog RDF and HTTP infrastructure with a SeRQL/SPARQL query engine, interfacing to the The Yahoo! User Interface Library (YUI) and libraries that support semantic search.