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<p>This is definitely becoming a habit...welcome to the fourth edition of <ahref="/category/thursday-threads/"><i><acronymtitle="Disruptive Library Technology Jester">DLTJ</acronym>'s</i> Thursday Threads</a>. If you find these interesting and useful, you might want to add the <ahref="http://feeds.dltj.org/thursday-threads/">Thursday Threads RSS Feed</a> to your feed reader or subscribe to e-mail delivery using the form to the left. If you would like a more raw and immediate version of these types of stories, watch <ahref="http://friendfeed.com/dltj"title="Peter Murray - FriendFeed">my FriendFeed stream</a> (or subscribe to <ahref="feed://friendfeed.com/dltj?format=atom"title="Peter Murray - FriendFeed - Atom Feed">its feed</a> in your feed reader). Comments, as always, are welcome.<br />
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<p>This is definitely becoming a habit...welcome to the fourth edition of <ahref="/category/thursday-threads/"><i><acronymtitle="Disruptive Library Technology Jester">DLTJ</acronym>'s</i> Thursday Threads</a>.
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<h2>Defining Linked Data By Analogy</h2>
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<blockquote><p>RDF is the grammar for a language of data. URIs are the words of that language. As in natural language, these words (i.e., the URIs) belong to grammatical categories. RDF properties (such as "isReferencedBy") function a bit like verbs, RDF classes like nouns.</p>
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<p>As in natural languages, where utterances are meaningful only if they follow a sentence grammar, RDF statements follow a simple and consistent three-part grammar of subject, predicate, and object. Analogously to paragraphs, RDF statements are aggregated into RDF graphs.</p></blockquote>
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<p>This week's <ahref="/category/thursday-threads/">Thursday Threads</a> looks at a big hole in the security model of most internet sites that require you to log into them with a username and password plus a pair of stories about "big media" battles. If you find these interesting and useful, you might want to add the <ahref="http://feeds.dltj.org/thursday-threads/">Thursday Threads RSS Feed</a> to your feed reader or subscribe to e-mail delivery using the form to the right. If you would like a more raw and immediate version of these types of stories, watch <ahref="http://friendfeed.com/dltj"title="Peter Murray - FriendFeed">my FriendFeed stream</a> (or subscribe to <ahref="feed://friendfeed.com/dltj?format=atom">its feed</a> in your feed reader). Comments, as always, are welcome.<br />
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<p>This week's <ahref="/category/thursday-threads/">Thursday Threads</a> looks at a big hole in the security model of most internet sites that require you to log into them with a username and password plus a pair of stories about "big media" battles.</p>
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<h2>Users of Non-SSL Sites are Prone to Hijacking</h2>
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<blockquote><p>When logging into a website you usually start by submitting your username and password. The server then checks to see if an account matching this information exists and if so, replies back to you with a "cookie" which is used by your browser for all subsequent requests.</p>
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<p>It's extremely common for websites to protect your password by encrypting the initial login, but surprisingly uncommon for websites to encrypt everything else. This leaves the cookie (and the user) vulnerable. HTTP session hijacking (sometimes called "sidejacking") is when an attacker gets a hold of a user's cookie, allowing them to do anything the user can do on a particular website. On an open wireless network, cookies are basically shouted through the air, making these attacks extremely easy.</p>
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<p> This week is a mostly Google edition of <i><acronymtitle="Disruptive Library Technology Jester">DLTJ</acronym></i> <ahref="/category/thursday-threads/">Thursday Threads</a>. Below is a high-level overview of Google's Book Search algorithm, how Google is helping web servers improve the speed at which content loads, and how Google's internet traffic is growing as a percentage of all internet traffic. But first, there is an uprising on the RDA test records in the WorldCat database.</p>
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<p>If you find these interesting and useful, you might want to add the <ahref="http://feeds.dltj.org/thursday-threads/">Thursday Threads RSS Feed</a> to your feed reader or subscribe to e-mail delivery using the form to the right. If you would like a more raw and immediate version of these types of stories, watch <ahref="http://friendfeed.com/dltj"title="Peter Murray - FriendFeed">my FriendFeed stream</a> (or subscribe to <ahref="http://friendfeed.com/dltj?format=atom"title="Atom feed for Peter Murray's FriendFeed account">its feed</a> in your feed reader). Comments and tips, as always, are welcome.<br />
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<h2>Memorandum Against RDA Test</h2>
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<blockquote><p>We have found ourselves in an unenviable position of opposing the work that supposedly has been authorized by agencies representing our interests. I might compare it to a military coup d’état. I mean here the RDA “test” and its implications on the cataloging world at large. After extensive discussions on the PCC, OCLC cataloging e-mail lists with opinions from the British Library, Australia and North America, we can safely conclude that there is a broad consensus against principles of RDA and the way RDA “test” has been imposed on the cataloging world.</p></blockquote>
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<p>The <a href="http://listserv.oclc.org/scripts/wa.exe?A2=ind1011a&L=oclc-cat&D=0&F=P&T=0&X=5D7D8800A8770C99F0&P=2298" title="OCLC-CAT post 'November 2010 Memorandum Against RDA Test' by Wojciech Siemaszkiewicz">original post on the OCLC-CAT list</a> by Wojciech Siemaszkiewicz of the New York Public Library is behind a must-subscribe-and-authenticate form, but it has been copied out <a href="/assets/images/2010/11/oclc-cat-rda.txt" title="Public copy of OCLC-CAT post 'November 2010 Memorandum Against RDA Test' by Wojciech Siemaszkiewicz">copied to an open website</a> by Becky Yoose (thanks, Becky!). The subsequent discussion resulted in a <a href="http://www.ipetitions.com/petition/norda/" title="Memorandum Against RDA Test">Petition against the RDA Test</a> by Jacqueline Byrd at Indiana University. The link to the position has been <a href="http://article.gmane.org/gmane.education.libraries.autocat/35094" title="Gmane -- Mail To News And Back Again">posted to the open AUTOCAT list</a>, and there has been <a href="http://article.gmane.org/gmane.education.libraries.autocat/35108" title="Gmane -- Mail To News And Back Again">subsequent</a> <a href="http://article.gmane.org/gmane.education.libraries.autocat/35109" title="Gmane -- Mail To News And Back Again">discussion</a> <a href="http://article.gmane.org/gmane.education.libraries.autocat/35114" title="Gmane -- Mail To News And Back Again">there</a>. (<a href="http://friendfeed.com/lsw/4e3f279b/for-anyone-else-who-has-recently-heard" title="For anyone else who has recently heard reference... - LSW - FriendFeed">Hat tip to Kirsten Davis</a>.)</p>
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<p>It has been a long week, so for many of you this edition of <i><acronymtitle="Disruptive Library Technology Jester">DLTJ</acronym></i> <ahref="/category/thursday-threads/">Thursday Threads</a> will actually be read on Friday. The spirit was willing, the topics were certainly out there in the past seven days, but the necessary distractions were numerous. Please enjoy this edition whenever you read it. As always, there is lots more on my <ahref="http://friendfeed.com/dltj/"title="Peter Murray - FriendFeed">FriendFeed aggregation page</a>.</p>
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<h2>Google Refine 2.0, a power tool for data wranglers</h2>
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<blockquote><p><ahref="http://code.google.com/p/google-refine/"title="google-refine - Project Hosting on Google Code">Google Refine</a> is a power tool for working with messy data sets, including cleaning up inconsistencies, transforming them from one format into another, and extending them with new data from external web services or other databases. Version 2.0 introduces a new extensions architecture, a reconciliation framework for linking records to other databases (like <ahref="http://www.freebase.com/"title="Freebase homepage">Freebase</a>), and a ton of <ahref="http://code.google.com/p/google-refine/wiki/ChangesFor2p0"title="google-refine - Change list for version 2.0">new transformation commands and expressions</a>.</p></blockquote>
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<p>Another slow Thursday Threads week due to higher priority work duties taking precedent over scanning for trends. This week has a look at the explosion of video content uploaded to YouTube (which dovetails nicely with the <a href="/article/thursday-threads-2010w44/">Thursday Threads report two weeks ago</a> about the <a href="http://asert.arbornetworks.com/2010/10/google-breaks-traffic-record/" title="Google Sets New Internet Traffic Record | Security to the Core | Arbor Networks Security">record amount of internet traffic attributed to Google's services</a>), why the distinction between 'digital natives' and 'digital immigrants' should be dropped, how telecomm companies want a piece of the credit card business, and the movement of Momento to an Internet Draft. If you find these interesting and useful, you might want to add the <a href="http://feeds.dltj.org/thursday-threads/">Thursday Threads RSS Feed</a> to your feed reader or subscribe to e-mail delivery using the form to the right. If you would like a more raw and immediate version of these types of stories, watch <a href="http://friendfeed.com/dltj" title="Peter Murray - FriendFeed">my FriendFeed stream</a> (or subscribe to <a href="http://friendfeed.com/dltj?format=atom" title="Atom feed for Peter Murray's FriendFeed account">its feed</a> in your feed reader). Comments and tips, as always, are welcome.<br />
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<p>Another slow Thursday Threads week due to higher priority work duties taking precedent over scanning for trends. This week has a look at the explosion of video content uploaded to YouTube (which dovetails nicely with the <ahref="/article/thursday-threads-2010w44/">Thursday Threads report two weeks ago</a> about the <ahref="http://asert.arbornetworks.com/2010/10/google-breaks-traffic-record/"title="Google Sets New Internet Traffic Record | Security to the Core | Arbor Networks Security">record amount of internet traffic attributed to Google's services</a>), why the distinction between 'digital natives' and 'digital immigrants' should be dropped, how telecomm companies want a piece of the credit card business, and the movement of Momento to an Internet Draft.</p>
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<p> No, I am not composing this edition of <i><acronymtitle="Disruptive Library Technology Jester">DLTJ</acronym></i> Thursday Threads on the Thanksgiving holiday. This was written the day before and scheduled for posting on Thursday. With a significant run of <ahref="/category/thursday-threads/">weekly Thursday Threads postings</a>, it seemed a shame to break the trend because of a holiday. So if it is Thanksgiving Thursday (in the U.S.) and you are looking for something to read, how about an article questioning the need for index and abstract databases in light of Google Scholar? Or tips for post-holiday effective meetings? Or how librarians are viewed as obstacles to effective open educational resources? Or simply be thankful that you are not in the cable TV operator business.<br />
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<h2><aname="google_scholar">Google Scholar's Dramatic Coverage Improvement Five Years after Debut</a></h2>
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