Some good links to start with…
Semantic Web  The Semantic Web is the extension of the World Wide Web that enables people to share content beyond the boundaries of applications and websites. It has been described in rather different ways: as a utopic vision, as a web of data, or merely as a natural paradigm shift in our daily use of the Web. Most of all, the Semantic Web has inspired and engaged many people to create innovative semantic technologies and applications. semanticweb.org is the common platform for this community.
You can extend semanticweb.org. Make sure that your favourite semantic tool, event, or ontology is here!

Semantic Web An extension of the current Web that provides an easier way to find, share, reuse and combine information. It is based on machine-readable information and builds on XML technology’s capability to define customized tagging schemes and RDF‘s (Resource Description Framework) flexible approach to representing data. The Semantic Web provides common formats for the interchange of data (where on the Web there is only an interchange of documents). It also provides a common language for recording how data relates to real world objects, allowing a person or a machine to start off in one database, and then move through an unending set of databases which are connected not by wires but by being about the same thing.

The Semantic Web: An Introduction
This document is designed as being a simple but comprehensive introductory publication for anybody trying to get into the Semantic Web: from beginners through to long time hackers. Recommended pre-reading: the Semantic Web in Breadth.

The Sematic Web Client Library represents the complete Semantic Web as a single RDF graph. The library enables applications to query this global graph using SPARQL- and find(SPO) queries. To answer queries, the library dynamically retrieves information from the Semantic Web by dereferencing HTTP URIs, by following rdfs: seeAlso links, and by querying the Sindice search engine. The library is written in Java and is based on the Jena framework.
[/learn_more][learn_more caption=” Search Engine”]
Search Engine Roundtable

• Buying or Acquiring Links with the objective of manipulating rankings and PageRank
• Keyword Stuffing
• Excessive use of Anchor Text or Poor Anchor Text Diversification
• Cloaking links
• Sitewide “dofollow” links
• Not deep linking your pages
• Building too many links too fast and linking only to your home page
• If you are on WordPress, failure to update, to its current version and also your plugins
• Not worrying about your websites security (WordPress and others)
• Not worrying about your page load speed (for WordPress)
• Not asking for help – Not everyone has the required level of skills on everything. When I don’t know, I simply ask. You’ll be surprised just how the community out there are eager to help. From blogging tips, to SEO, from Marketing to Traffic Generation, etc., there are people that are legit and are willing to give you a hand. Just don’t abuse it.Here are some people who have provided me with help, when I needed it (and continue to do so). Ana of TrafficGenerationCafe.com, Ileane of BasicBlogTips.com, Hesham of FamousBloggers.net, Kim of Just-Ask-Kim.com, Justin from DragonBlogger.com, Andy of ComLuv.com, Michele of PackageYourGenius.com, and lots more. This is just a short list and by no means it is intended to cut-off anyone who has been supporting me (maybe next time I’ll post the whole list).
• and a bunch of other tinier things, like not putting alt tags on images, failure to implement Google authorship, etc.

When it comes to using search engine optimisation (SEO) strategies get more website traffic — between keyword research, page titles, meta tags, etc. — there are a lot of components to manage.
I like Word Tracker (wordtracker.com), but you might prefer one of the following:
adwords.google.com/select/KeywordToolExternal
keywordspy.com
keyworddiscovery.com
tools.seobook.com/keyword-tools/seobook/ selfseo.com/keyword_suggestion_tool.php
submitexpress.com/keytracker.php
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SEO, SEM, SMM, SMO

http://searchenginewatch.com/article/2256412/A-Guide-to-Googles-Think-Insights
http://www.guide-webmaster.com/outils_site/meta_generator.htm