linkdump - information_retrieval

Search User Interfaces: Marti Hearst

nospam@example.com (Jochen Wersdörfer) — Fri, 26 Jun 2009 08:36:54 +0200

via Data Mining: Text Mining, Visualization and Social Media - (Matthew Hurst):

Marti Hearst - pre-eminant in the fields of text mining and user interfaces - yesterday published her book on Search User Interfaces. I intend to write up a review of the content later, but for now heres a summary.
The book, which is available ... [-->]

Just skimmed the online version of the book.

Keyworddichte: relevante SEO-Basics oder vernachlaessigbare Vergangenheit?

nospam@example.com (Jochen Wersdörfer) — Thu, 25 Jun 2009 15:39:26 +0200

via SEO-Blog - SISTRIX GmbH:

An der Keyworddichte als Rankingfaktor scheiden sich die Geister: für die einen ist sie ein Blick zurück auf den Anfang dieses Jahrtausends als häufiges Wiederholen des Keywords im Text und Dateinamen einen bei Fireball wirklich weit nach vorne brachte, für die anderen ist der prozentuale Anteil, de ... [-->]

Interessant - hätte nicht gedacht, dass die Termfrequenz noch einen so grossen Einfluss hat.

Speed Matters

nospam@example.com (Jochen Wersdörfer) — Wed, 24 Jun 2009 08:40:35 +0200

via Google Research Blog - (Research Admin):

Posted by Jake Brutlag, Web Search Infrastructure

At Google, we've gathered hard data to reinforce our intuition that "speed matters" on the Internet. Google runs experiments on the s ... [-->]

The surprising fact for me is, that slowness has so little impact on usage. I would have expected that it's much more important. Maybe this is because google owns a quasi-monopole on websearch... waiting 400ms for a search request seems pretty much unacceptable for me.

.oO(someone named brutlag doing research on internet latency... bad joke or bad luck?)

Daniel Tunkelang on the problem with federated search

nospam@example.com (Jochen Wersdörfer) — Tue, 16 Jun 2009 22:26:54 +0200

via Federated Search - (Daniel Tunkelang):

[ Editor's Note: This is a guest article by Daniel Tunkelang. (See his bio below.) Daniel is passionate about designing search systems that improve users' experience with information retrieval. This passion comes across very strongly in his book about faceted search, which I recently ... [-->]

Hmm, i can imagine federated search over some sparql-endpoints even if i have no idea if it's possible to make it fast enough. But federation across ranked/set based fulltext search engines? IMHO rather impossible than difficult.

Enabling Exploration Through Text Analytics

nospam@example.com (Jochen Wersdörfer) — Tue, 16 Jun 2009 22:26:54 +0200

via Science for SEO - (CJ):

I’m a huge fan of Daniel Tunkelang and his blog “The noisy channel“. Recently he spoke at the Text Analytics Summit and was kind enough to share his slides with us all. Check out the other available prese ... [-->]

I think exploratory search is still an unsolved problem, but nice slides anyway...