Tags, tags, and more tags
Christian Körner and Markus Strohmaier, from the Graz University of Technology, in Austria, have published an article on social tagging datasets in the latest issue of the ACM SIGWEB Newsletter. Existing social tagging datasets have been listed there, including our 3 datasets: DeliciousT140, Wiki10+ and Social-ODP-2k9.
Have a look at it!
Posted in research, social-bookmarking, social-tagging, tagging.
Wiki10+, a dataset with 20,764 annotated English Wikipedia articles is now available for download. This dataset includes that many Wikipedia articles, with their corresponding social tags retrieved from Delicious.
The dataset, including both articles’ content and social tags, can be downloaded from here.
Posted in research, social-bookmarking, social-tagging, tagging.
Our paper “Getting the Most Out of Social Annotations for Web Page Classification” has been accepted for publication and presentation at DocEng 2009, the 9th ACM Symposium on Document Engineering to be held in Munich, Germany, from September 15 to 18, 2009.
User-generated annotations on social bookmarking sites can provide interesting and promising metadata for web document management tasks like web page classification. These user-generated annotations include diverse types of information, such as tags and comments. Nonetheless, each kind of annotation has a different nature and popularity level. In this work, we analyze and evaluate the usefulness of each of these social annotations to classify web pages over a taxonomy like that proposed by the Open Directory Project. We compare them separately to the content-based classification, and also combine the different types of data to augment performance. Our experiments show encouraging results with the use of social annotations for this purpose, and we found that combining these metadata with web page content improves even more the classifier’s performance.
Posted in research, social-bookmarking, social-tagging.
I’ve recently read the book “Tagging: People-Powered Metadata for the Social Web“, by Gene Smith, an interesting overview on the art of tagging. I would recommend it to whoever interested in discovering what tags mean, and even to those experts willing to deal with tagging in depth. Next, I present a brief summary on the topics covered by this book:
Strongly recommended!
Posted in social-bookmarking, social-tagging, tagging.
Our paper “Clasificación de Páginas Web con Anotaciones Sociales” has been accepted for publication and presentation at SEPLN 2009, XXV edición del Congreso Anual de la Sociedad Española para el Procesamiento del Lenguaje Natural to be held in Donostia-San Sebastián, from September 8 to 10, 2009.
Las anotaciones generadas por usuarios en sistemas de marcadores sociales pueden proveer metadatos interesantes y muy útiles para la clasificación de páginas web. Estas anotaciones incluyen diversos tipos de información, como etiquetas y comentarios. No obstante, cada tipo de anotación tiene una naturaleza y un nivel de popularidad diferente. En este trabajo, analizamos y evaluamos la utilidad de cada una de estas anotaciones sociales para clasificar páginas web sobre una taxonomía como la del Open Directory Project. Las comparamos por separado a la clasificación basada en contenido, y también las combinamos. Nuestros experimentos muestran resultados prometedores con la utilización de anotaciones sociales para este propósito. Y además indican que su combinación con el contenido textual mejora el rendimiento de la clasificación.
Posted in research, social-bookmarking, social-tagging.
We have recently recorded a radio talk on social networks. I did it with my colleague Alberto P. García-Plaza, entitled “Nuevas tendencias en las tecnologías de la información: Las redes sociales”. You can download it in mp3 or ogg format (in Spanish).
Posted in web2.0.
Next Thursday, on May 7th, I will present in basque language our recent work “Etiketa-lainoen Ikuskera Hobetzeko Multzokatzea” in Informatikari Euskaldunen Bilkura ‘09 (Basque Computer Scientists’ Conference ‘09), which will be held in Donostia, Basque Country.
Erabiltzaileek aurrez anotatutako datuak berreskuratzeko baliabide interesgarria bilakatu dira markatzaile sozialak. Mota honetako webguneek etiketarik erabilienek osatutako etiketa-lainoa erakusten dute nabigazio aukera gisa. Etiketa-laino hauek, ordea, ez dute etiketen arteko antzekotasuna ez eta edukia kontuan izaten. Lan honetan SOM mapak erabiliz etiketen arteko erlazioak definitzeko metodoa aurkezten dugu. Erlazio hauek definitzeko, web dokumentuen edukietan oinarritu gara. Emaitza bezala lortutako mapa, ondorioz, etiketa-multzo ezberdinez osatzen da, multzo horietako bakoitzean termino esanguratsuenak erakutsiz nabigazioa eta ikuskera hobetzen direlarik. Azkenik, metodologia honek izan dezakeen aplikazio erreala aztertzen dugu.
Posted in research.