11/17 Week Notes

David Hawking , Web Search Engines: Part 1 and Part 2 IEEE Computer, June 2006.

Could not access article through Blackboard, Google Scholar, or PittCat.

Current Developments and Future Trends for the OAI Protocol for Metadata
Harvesting

OAI-PMH was created to increase interoperability of metadata. First formatted fore e-print archives, it quickly gained use in museums and libraries, which used OAI-PMH for metadata harvesting. Now, Open access systems such as D-Space and Contentdm (OCLC) package OAI with their products. The Protocol of Metadata Harvesting works by faciliating different types of metadata based on common standards, such as HTML or Dublin Core.

MICHAEL K. BERGMAN, “The Deep Web: Surfacing Hidden Value”
The article focuses on the "deep web" online sources and sites whose information is only accessible by direct query. One caveat of the deep web is that many web search engines do not have the capability to successfully retrieve information from these sites. Another problem is that answers can only be retrieved one at a time.

Deep web documents are 27% less sizable than surface web documents, but have a greater diversity of web sources.

Assignment 5: Koha Assignment

http://upitt04-staff.kwc.kohalibrary.com/cgi-bin/koha/virtualshelves/shelves.pl?viewshelf=55

11/10 Comments

http://bombrisk-lis2600.blogspot.com/2009/10/week-9-notes.html?showComment=1257561681067#c1286766924198393032


http://2600infototechnology.blogspot.com/2009/11/9th-readings.html?showComment=1257561841803#c5416469577232583694

11/10 Muddiest Point

How many pages use XML vs. DTD?

11/10 Week 9 Notes

Martin Bryan. Introducing the Extensible Markup Language (XML)
XML is a subset of SGTML. Unlike other markup languages, XML indetifies every part of a document. XML operates on the foundation that documents are a series of entities and each entitie contains one or more "logical elements." Each of the elements has attributes.

"XML provides a formal syntax for describing the relationships between the entities, elements and attributes that make up an XML document, which can be used to tell the computer how it can recognize the component parts of each document."

Uche Ogbuji. A survey of XML standards: Part 1. January 2004.
The document consist of a brief history of XML (start in Unicode) and provides several links to XML tutorials.

Extending your Markup: a XML tutorial by Andre Bergholz
Good XML documents start with a prologue and contain one element.
DTD-defines the structure of XML documents. DTD lets a user specify the tags used, order of tags, and the attributes associated with each tag.
Developments in XML: Resource Description Framework (RDF)-integrates metadata activities.
Document Object Model (DOM)-allows programs to access and update content.

XML Schema Tutorial
XML Schema -and XML alternative to DTD. Language known as XSD.

10/27 (Week 8) Comments

I commented on Rachel Nash and CAC110's blogs.

10/27 Muddiest Point

How many academic libraries use MySQL for their CMS needs?