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Semantic Web Patterns: A Guide to Semantic Technologies - ReadWriteWeb - 0 views

  • To some, the Semantic Web is the web of data, where information is represented in RDF and OWL. Some people replace RDF with Microformats. Others think that the Semantic Web is about web services, while for many it is about artificial intelligence - computer programs solving complex optimization problems that are out of our reach. And business people always redefine the problem in terms of end user value, saying that whatever it is, it needs to have simple and tangible applications for consumers and enterprises.
  • The bottom-up approach is focused on annotating information in pages, using RDF, so that it is machine readable. The top-down approach is focused on leveraging information in existing web pages, as-is, to derive meaning automatically.
  • Another recent win for the bottom-up approach was the announcement of the Semantify web service from Dapper
  • ...17 more annotations...
  • Similarly, top-down semantic tools are focused on dealing with imperfections in existing information.
  • Within the bottom-up approach to annotation of data, there are several choices for annotation. They are not equally powerful, and in fact each approach is a tradeoff between simplicity and completeness. The most comprehensive approach is RDF - a powerful, graph-based language for declaring things, and attributes and relationships between things.
  • the major benefit of RDF is interoperability and standardization, particularly for enterprises
  • Microformats offer a simpler approach by adding semantics to existing HTML documents using specific CSS styles.
  • The more annotations there are in web pages, the more standards are implemented, and the more discoverable and powerful the information becomes.
  • People simply do not care that a product is built on the Semantic Web, all they are looking for is utility and usefulness.
  • RDF solves a problem of data interoperability and standards.
  • Behind Calais is a powerful natural language processing technology developed by Clear Forest (now owned by Reuters), which relies on algorithms and databases to extract entities out of text. According to Reuters, Calais is extensible, and it is just a matter of time before new entities will be added.
  • Another example is the SemanticHacker API from TextWise, which is offering a one million dollar prize for the best commercial semantic web application developed on top of it.
  • Another semantic API is offered by Dapper - a web service which facilitates the extraction of structure from unstructured HTML pages.
  • The premise that semantical understanding of pages leads to vastly better search has yet to be validated. The two main contenders, Hakia and PowerSet, have made some progress, but not enough. The problem is that Google's algorithm, which is based on statistical analysis, deals just fine with semantic entities like people, cities, and companies.
  • Likely, understanding semantics is helpful but not sufficient to build a better search engine. A combination of semantics, innovative presentation, and memory of who the user is, will be necessary to power the next generation search experience.
  • Contextual navigation does not just improve search, but rather shortcuts it.
  • The common theme among these tools is the recognition of information and the creation of specific micro contexts for the users to interact with that information.
  • Semantic databases are another breed of semantic applications focused on annotating web information to be more structured.
  • Another big player in the semantic databases space is a company called Metaweb, which created Freebase. In its present form, Freebase is just a fancier and more structured version of Wikipedia - with RDF inside and less information in total.
  • With any new technology it is important to define and classify things. The Semantic Web is offering an exciting promise: improved information discoverability, automation of complex searches, and innovative web browsing.
Janos Haits

Enth - The Database Search Engine - 2 views

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    Publish and Search Relational DatabasesEnth blends database publishing and search to unlock the value of Internet-connected databases and dramatically increase the ease and speed of finding information. Our patented software platform allows you to easily share structured data online and provide users with a quick way to find information using plain text, achieving time savings, cost savings and increased productivity for your organization.
Janos Haits

The START Natural Language Question Answering System - 1 views

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    START, the world's first Web-based question answering system, has been on-line and continuously operating since December, 1993. It has been developed by Boris Katz and his associates of the InfoLab Group at the MIT Computer Science and Artificial Intelligence Laboratory. Unlike information retrieval systems (e.g., search engines), START aims to supply users with "just the right information," instead of merely providing a list of hits. Currently, the system can answer millions of English questions about places (e.g., cities, countries, lakes, coordinates, weather, maps, demographics, political and economic systems), movies (e.g., titles, actors, directors), people (e.g., birth dates, biographies), dictionary definitions, and much, much more. Below is a list of some of the things START knows about, with example questions. You can type your question above or select from the following examples.
Janos Haits

Google Knowledge Graph Search Engine (no API skills required) - 0 views

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    "Introduction to the Knowledge Graph API The Google Knowledge Graph API reveals entity information related to a keyword, that Google knows about. This information can be very useful for SEO - discovering related topics and what Google believes is relevant. It can also help when trying to claim/win a Knowledge Graph box on search results. The API requires a high level of technical understanding, so this tool creates a simple public interface, with the ability to export data into spreadsheets."
Janos Haits

SIREn: Semantic Information Retrieval Engine - 0 views

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    SIREn: Efficient semi-structured Information Retrieval for Lucene
Janos Haits

Discovery Hub Beta - 0 views

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    Discovery hub is an exploratory search engine which helps you to discover things you might like or be interested in. It widens your cultural and knowledge horizons by revealing and explaining unattended information. Based on Wikipedia data, Discovery Hub is cross-domain and works on numerous topics including music, cinema, literature but also politics, automobile and much more. It allows performing queries in an innovative way and helps you to navigate rich results. As a hub, it proposes redirections to others platforms to make you benefit from your discoveries (Youtube, Deezer and more).
Janos Haits

Searchbox | Semantic search engine for professionals - 1 views

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    Access, organize and search information, files, documents, projects within your entire organization from one place.
Janos Haits

redlink - 0 views

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    Redlink: a Platform for Semantic Enrichment, Linked Data and Information Discovery
Janos Haits

AVmediaSearch.eu »«» Eng « CHORUS+ - 0 views

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    AVmediasearch.eu is the hub where you will find all useful information related to events, technologies, resources… linked to audio-visual search.
Janos Haits

Faceted Wikipedia Search - 2 views

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    Faceted Wikipedia Search allows users to ask complex queries against Wikipedia. The answers to these queries are not generated using key word matching as the answers of search engines like Google or Yahoo, but are generated based on structured information that has been extracted from many different Wikipedia articles.
Janos Haits

Welcome to digi.me (Private Beta) - 1 views

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    Semantic Information Discovery, browsing and sharing
Janos Haits

Optimal Access Home Page | Optimal Access, Inc. - 1 views

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    A KBucket page is a place to organize and publish your research.  The practice is known as content curation.  You can curate for yourself and people like you, or you can curate to promote your ideas and knowledge.  KBucket lets you manage the context of your information, which means the grouping, the tags and the meta tags.  All KBucket pages are hosted on the KBucket search platform.
Janos Haits

Dataset Search - 0 views

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    "Dataset Search enables users to find datasets stored across the Web through a simple keyword search. The tool surfaces information about datasets hosted in thousands of repositories across the Web, making these datasets universally accessible and useful."
Janos Haits

Evi | Ask me anything - 2 views

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    Meet Evi.com/ : the one mobile app that provides solutions for your everyday problems. Evi.com/ is your new digital friend who is here to help you with your everyday information needs. Need to know where the nearest place is to buy milk? She can help. Going out for dinner, but can't decide where? She can help you with that too.
Janos Haits

SIREn by rdelbru - 1 views

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    "Open-Source Semi-Structured Information Retrieval Engine"
Janos Haits

Search engines - W3C Wiki - 0 views

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    'Semantic Web search engines are applications for finding ontologies that require reasonable effort: queries are usually written as natural language keywords and results are ranked. Some additional information is often provided.'
Janos Haits

Perplexity AI: Ask Anything - 0 views

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    "We are a small interdisciplinary team determined to bring novel technology and useful products to the world."
Janos Haits

Andi - Search for the next generation - 0 views

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    "Hello! I'm Andi, your smart search assistant. The more detailed your question, the better I can help
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