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Thieme Hennis

Towards the semantic web: Collaborative tag suggestions - 0 views

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    Yahoo! employee describes and defines criteria and algorithms for a collaborative tag system: Since tags are created by individual users in a free form, one important problem facing tagging is to identify most appropriate tags, while eliminating noise and spam. For this purpose, we define a set of general criteria for a good tagging system. These criteria include high coverage of multiple facets to ensure good recall, least effort to reduce the cost involved in browsing, and high popularity to ensure tag quality. We propose a collaborative tag suggestion algorithm using these criteria to spot high-quality tags.
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    another one about tagging: describes criteria for a good tagging system.
Thieme Hennis

Golder & Huberman - The Structure of Collaborative Tagging Systems - 0 views

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    Collaborative tagging describes the process by which many users add metadata in the form of keywords to shared content. Recently, collaborative tagging has grown in popularity on the web, on sites that allow users to tag bookmarks, photographs and other content. In this paper we analyze the structure of collaborative tagging systems as well as their dynamical aspects. Specifically, we discovered regularities in user activity, tag frequencies, kinds of tags used, bursts of popularity in bookmarking and a remarkable stability in the relative proportions of tags within a given url. We also present a dynamical model of collaborative tagging that predicts these stable patterns and relates them to imitation and shared knowledge.
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    article about collaborative tagging.
Thieme Hennis

Tagging, Folksonomy & Co - Renaissance of Manual Indexing? - 0 views

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    another paper on collaborative tagging.. interesting..
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    This paper gives an overview of current trends in manual indexing on the Web. Along with a general rise of user generated content there are more and more tagging systems that allow users to annotate digital resources with tags (keywords) and share their annotations with other users. Tagging is frequently seen in contrast to traditional knowledge organization systems or as something completely new. This paper shows that tagging should better be seen as a popular form of manual indexing on the Web. Difference between controlled and free indexing blurs with sufficient feedback mechanisms. A revised typology of tagging systems is presented that includes different user roles and knowledge organization systems with hierarchical relationships and vocabulary control. A detailed bibliography of current research in collaborative tagging is included.
Thieme Hennis

Improving Tag-Clouds as Visual Information Retrieval Interfaces - 0 views

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    This paper presents a novel approach to Tag-Cloud's tags selection, and proposes the use of clustering algorithms for visual layout, with the aim of improve browsing experience. The results suggest that presented approach reduces the semantic density of tag set, and improves the visual consistency of Tag-Cloud layout.
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    handig.. een alternative manier om tag-clouds te maken. makes sense.
Thieme Hennis

Finding Communities of Practice from User Profiles Based On Folksonomies - 0 views

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    User profiles can be used to identify persons inside a community with similar interests. Folksonomy systems allow users to individually tag the objects of a common set (e.g., web pages). In this paper, we propose to create user profiles from the data available in such folksonomy systems by letting users specify the most relevant objects in the system. Instead of using the objects directly to represent the user profile, we propose to use the tags associated with the specified objects to build the user profile. We have designed a prototype for the research domain to use such tag-based profiles in finding persons with similar interests. The combination of tag-based profiles with standard recommender system technology has resulted in a new kind of recommender system to recommend related publications, keywords, and persons.
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    user profiles based on tagging
Thieme Hennis

Fringe Contacts: People-Tagging for the Enterprise - 0 views

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    Tagging has arisen as way to enable users to contribute to a loose taxonomy characterizing web pages, pictures, products and other things. We propose tagging people in order to help individuals keep track of each other while contributing to a loose characterization of their friends and colleagues. "Fringe Contacts" is a reference system designed to test whether people- tagging is a viable and useful approach.
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    people tagging.. we need that too?
Thieme Hennis

Community Blogging ~ Stephen's Web ~ by Stephen Downes - 0 views

  • Now I want to draw out from these descriptions two major elements that I think are probably definitive of community. First of all, the idea that there's a network. Now a lot of people capture that by saying people can interact, people communicate, there's a place for discussion. But the central thing here is that there is, in some sense, a relation among the people; it's not mere proximity. But they are connected in some way. And the second thing, and the important thing, in my mind, is semantics, the idea that these relations are about something, that the people in the community share a common interest, common values, a set of beliefs, an affinity for cats, or beekeeping.
  • If we think of meaning as use then what is the meaning of a blog post? What does a blog post talk about? It's not contained in the post. Rather, it's contained in the network of relations in which the post finds itself. In the referrers. In the use. In the connections with other things. In evaluations of the post. A whole variety of different connections, different relations, are possible which could, and in my opinion will, be used to characterize an individual post.
  • Now why does this matter? It matters this way. If we're deriving meaning and connections and communities in a random fashion everything flows from the big spike. Scoble was up here, saying, "My friend was saying, I want you to link to me." And, he said, "That's not how it works. Create something of value," he said. Right? "And I will decide whether it's worth linking to." That's the big spike telling the long tail what to do. Isn't it? That's what happens when meaning derives from the centre. And if you push it, that sort of organization and arrangement requires control. Look at Technorati Tags. Now, we've already gotten some tag spam, and we've already gotten some structured vocabulary in Technorati Tags, and eventually somebody will come out and propose and ontology of Technorati Tags, a taxonomy, and they will say, "Everyone should do it this way." And anyone who doesn't, well, they're being chaotic, they're being disruptive. But if the idea emerges from the pattern of connections between individuals there's no one in control. Scoble can't tell me what to twrite in my blog and it doesn't matter whether he links to me or I link to him. And the dynamics in such a network are completely different. This works if you have freedom. This works if nobody tells you how to tag. This creates order and relevance and meaning through diversity, not conformity. Two very different pictures of community.
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  • "Well, the most popular form of XML in the world today is RSS, there is no standard
  • The idea here is that the community is defined as the relations between the members where the relations have semantical value, where that semantical value is defined by the relations. And I know it sounds like bootstrapping, but we've been doing that throughout history. People exist in relations to other people, to things, to resources, even to spaces.
  • What has to happen is this mass of posts has to self-organize in some way. Which means there has to be a process of filtering. But filtering that is not just random. And filtering that isn't like spam blocking. Filtering has to be a mechanism of determining what it is we want, because it's a lot easier to determine what we want than what we don't want.
  • The first pass at this I described in a paper a couple of years ago called "The Semantic Social Network" and the idea, very simply, is we actually attach author information to RSS about blog posts. It kills me that this hasn't happened. Because this is a huge source of information. And all you need to do is, in the 'item', in, say, the 'dc:creator' tag, put a link to a FOAF file. And all of a sudden we've connected people with resources, people with each other and therefore, resources with each other. And that gives me a mechanism for finding resources that is not based on taxonomies, is not based on existing knowledge and existing patterns, but is based on my placement within a community of like-minded individuals.
  • Now that semantic social network is just a first pass at this. We want to create these connections on many levels. And so what we want is metadata, not simply created by the author of a post, but created by readers of posts. This is what I call 'third party metadata'. Third party metadata -- we're beginning to see some of this out there in the blogosphere, in a small, limited and usually site-based way, right? Links, references, readings, annotations, classifications, context of use. But it can't be site-based. Because that doesn't create a network. It might as well be random.
  • Now the way this should work, and the way I've proposed for this to work in the educatiuonal community, is that as much of this third party metadata as possible is created through automatic means.
  • And so we get enormously rich descriptions through very simple mechanisms of automatic classification.
  • My contention is that instead of the spike-based power-law-based Instapundit-based network, that when we get something like the semantic social network, and we will get something like the semantic social network, because it's very simple to do, patterns of organization will be created. In the field of neural networks and connectionism they tyem 'clusters', you get a cluster phenomenon where we're not creating communities around a specific word, or specific concept, but the community itself emerges as being created by and defined as that particularly dense set of connections.
  • I've set up a system called Edu_RSS which is a very primitive first pass at this, and the idea here, Edu_RSS is an aggregator, there should be many instances of Edu_RSS, in the ideal world everybody would have something like this on their desktop, and it pulls in the link metadata, but it also pulls in rating metadata, and it doesn't pull it in from the entire world, the way Technorati does or the way Blogdex does, it pulls it in from my community, my network of friends. And if you set up the network in this way you can actually stop worrying about searching, because the network itself becomes the search where you go through layers of linking and so what comes out the other end is stuff that will be of interest to you. And if you're finely grained enough at the output end then you can get a very precise set of inputs. But the thing is, this set of inputs comes from the entire blogosphere of four million people rather than the randomly chosen top one hundred. The community is the network. There is no centralized place that constitutes community, there are only people, and resources, that are distributed, that are all acting on their own behalf and in their own interests - if you ever read Marvin Minsky's "The Society of Mind", it's like that - where the network consists of a set of self-selected relations using a variety of contextual information, that I've defined as third party metadata, to establish meaning, and where this meaning not only defines the community but emerges from the community.
    • Thieme Hennis
       
      true! handig om dit even door te spitten, ook om fundamentele beslissingen over PEERS te onderbouwen.
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    explanation about blogging, network creation, and meaning in the blogosphere
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    interessant: Downes is "anti-tagging", omdat woorden 1-dimensionaal zijn en het netwerk (wat de eigenlijke betekenis van een concept maakt) doorkruist..
Thieme Hennis

Collaborative thesaurus tagging the Wikipedia way - 0 views

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    This paper explores the system of categories that is used to classify articles in Wikipedia. It is compared to collaborative tagging systems like del.icio.us and to hierarchical classification like the Dewey Decimal Classification (DDC). Specifics and commonalitiess of these systems of subject indexing are exposed. Analysis of structural and statistical properties (descriptors per record, records per descriptor, descriptor levels) shows that the category system of Wikimedia is a thesaurus that combines collaborative tagging and hierarchical subject indexing in a special way.
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    comparison of Dewey's system of categorization and Wikipedia's mixed model.
Thieme Hennis

Iterend.com blog search - Search & Discover - 0 views

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    nice blog search tool makiung use of tagging and tags.
Thieme Hennis

Tagurself - 0 views

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    Tagurself is a widget that displays your interests as a tag cloud. Give it a try - enter the url of any webpage or feed and click GO. Seperate multiple urls with a comma.
Thieme Hennis

tag2find - better than searching | tag everything on your desktop - 0 views

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    Save Bookmark
Thieme Hennis

Rough Type: Nicholas Carr's Blog: Is Web 2.0 enterprise-ready? - 0 views

  • McAfee first explains why past knowledge management "solutions" rarely solved anything. He then explains what makes Web 2.0 technologies different. "The good news," he writes, is that the new technologies "focus not on capturing knowledge itself, but rather on the practices and output of knowledge workers." By providing both a platform for collaboration and a means of recording the details of the collaboration, the technologies create a public record of previously private knowledge-sharing conversations, a record that's permanent and easily searched. Knowledge is captured, in other words, as it's created, without requiring any additional work. As people search and use that knowledge, moreover, they refine it - through commenting, linking, syndicating and tagging, for instance - which makes it even more valuable.
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    good blogpost about enterprise 2.0
anonymous

Insignificant Wranglings: Barabasi's Linked - 0 views

  • And isn't tagonomy the growing organization of the web?
    • anonymous
       
      niet bepaald een pleidooi voor het boek dus, wel voor tags als een belangrijk ordenings mechanisme
Thieme Hennis

Folksonomies-Cooperative Classification and Communication Through Shared Metadata - 0 views

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    This paper examines user-generated metadata as implemented and applied in two web services designed to share and organize digital me- dia to better understand grassroots classification. Metadata - data about data - allows systems to collocate related information, and helps users find relevant information.
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    another article about folksonomies and tagging..
Thieme Hennis

Awareness Announces Major New Release of Enterprise Social Media Platform - 0 views

  • -- Improved Community Insight -- Awareness administrators now have increased self-service capability to report and graph participation and success metrics in their communities, including user activity, content activity and more.
    • Thieme Hennis
       
      mm... dat willlen wij ook.:)
  • offering great new social networking capabilities, advanced reporting and community management that will really help encourage robust community participation
  • "Over the last year, the Enterprise 2.0 space has gathered significant momentum. We've been working with leading companies to realize the business potential of social media and the benefits of using Web 2.0 communities to stimulate conversations between employees, customers and partners around their brands," said John Bruce, CEO of Awareness. "Our Awareness Summer 2008 release builds on this and lets customers offer their community members a wider variety of engagement points across the Web and a user experience that really encourages participation."
    • Thieme Hennis
       
      heel mooi... maar hoe werkt het?
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  • At the core of the Awareness solution is an on-demand social media platform that combines the full range of Web 2.0 technologies -- blogs, wikis, discussion groups, social networking, podcasts, RSS, tagging, photos, videos, mapping, etc. -- with security, control, and content moderation. Awareness builds these features into complete communities for companies, or customers use the Awareness API and widgets to integrate Web 2.0 technologies into their own web properties. Major corporations such as McDonald's, Kodak, the New York Times Company, Northwestern Mutual and Procter & Gamble use Awareness to build brand loyalty, generate revenue, drive new forms of marketing, improve collaboration, encourage knowledge-sharing and build a "corporate memory." Find out more at http://www.awarenessnetworks.com.
anonymous

Empower your community and drive traffic with Comments, Blog rating - SezWho.com - 0 views

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    heeft vergelijkbare technologie ontwikkeld, in de gaten houden dus.
anonymous

sezwho - TechCrunch - 0 views

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    TC over sezwho, een concurrent die een vergelijkbare tool heeft ontwikkeld.
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