- Copertina flessibile: 258 pagine
- Editore: O'Reilly Media; 1 edizione (16 agosto 2011)
- Lingua: Inglese
- ISBN-10: 1449306594
- ISBN-13: 978-1449306595
- Peso di spedizione: 408 g
- Posizione nella classifica Bestseller di Amazon: n. 555.096 in Libri in altre lingue (Visualizza i Top 100 nella categoria Libri in altre lingue)
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Learning SPARQL (Inglese) Copertina flessibile – 16 ago 2011
Descrizione del libro
Querying and Updating with SPARQL 1.1
Bob DuCharme (http://www.snee.com/bob) is a solutions architect at TopQuadrant, a provider of software for modeling, developing, and deploying semantic web applications. He came to TopQuadrant from Innodata Isogen, where he did system and architecture analysis and design for a wide range of global publishing clients as well as cochairing the 2008 Linked Data Planet conference in New York City. Earlier in his career, he oversaw SGML and XML development at Moody's Investors Service and then moved on to LexisNexis, where he did data and systems architecture as they made the transition to XML-based systems.
In the XML.com newsletter, editor Kendall Clark once wrote “Does anyone write tech prose as clear as Bob?” Bob is the author of Manning Publications’ “XSLT Quickly,” Prentice Hall’s “XML: The Annotated Specification” and “SGML CD,” and McGraw Hill’s “Operating Systems Handbook.” He's written over 70 pieces for XML.com and has contributed to Dr. Dobb’s Journal, IBM developerWorks, Nodalities, DevX, perl.com, XML Magazine, XML Journal, XML Developer, O’Reilly Books’ “XML Hacks,” and Prentice Hall’s “XML Handbook.” Bob received his BA in Religion fromColumbia University and his Master’s in Computer Science from New York University. He lives in Charlottesville, Virginia, with his wife Jennifer and their daughters Madeline and Alice.
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On the other hand, you should be prepared for the lack of Semantic Web application development examples: The book includes a few short code snippets in Python and a very simplistic semantic web application (again in Python) but other than that all of the pages are dedicated to pure SPARQL; do not look for any detailed chapter on using Jena API in Java or in depth discussion of semantic web application design in Python, Ruby, etc., together with ontology and knowledge management guidelines.
In summary, if you have to choose between the official SPARQL 1.1 standard at [...] and this book, I have very little doubt about your first choice.
If there's a weakness, some of the examples are a little too simple, and the author even apologizes for this sometimes, but this is a concise book that will have you using and enjoying SPARQL very quickly. If SPARQL is part of your life, or if you're trying to understand the basics of the semantic web, get it right now.
The book is well organized, progresses well and has great examples. What I particularly like and what you don't get in the specs, are the little insights, suggestions and gotcha's that come from someone who has used this a lot.
The only disappointment from my standpoint was his punting on the NOT versus MINUS distinction, where after a single example of both that return equivalent results, he sends the readers back to the spec if they are interested in the subtle difference. I am interested in the subtle difference, but I had hoped I could get it a bit better explained than the terse spec.
All in all, excellent work, would recommend it to anyone picking up SPARQL.
I recommend you read the first few chapters carefully so you understand RDF, Turtle and SPARQL.
The middle part mainly just goes through the different expressions and functions in SPARQL - you can skim this and look those up when you need them.
The last part explains some open source tools. Great stuff.