Learning SPARQL

Errata for Learning SPARQL

Submit your own errata for this product.


The errata list is a list of errors and their corrections that were found after the product was released. If the error was corrected in a later version or reprint the date of the correction will be displayed in the column titled "Date Corrected".

The following errata were submitted by our customers and approved as valid errors by the author or editor.

Color Key: Serious Technical Mistake Minor Technical Mistake Language or formatting error Typo Question Note Update



Version Location Description Submitted By Date Submitted Date Corrected
Printed
Page 50 & 264
United States

There are two different ex047.rq examples, so one of them should be renamed along with references to it.

Bob DuCharme
Bob DuCharme
O'Reilly Author 
Jun 11, 2014 
Printed
Page 70
bottom of page 70

rdfs:label should not be in the result of running ex092.rq with ex069.ttl.

Note from the Author or Editor:
Run it again and substitute the correct output.

Bob DuCharme  Apr 27, 2014 
Printed
Page 81
United States

FROM does not quite say "add the triples from the following graph to the default dataset" because when you use FROM, the query engine does not look at the default dataset. http://www.w3.org/TR/sparql11-query/#specifyingDataset shows that it's a " merge of the graphs referred to in the FROM clauses."

Bob DuCharme  Aug 24, 2014 
Printed
Page 137
United States

In the RDF/XML example, the rdf:about value should say ns/data#item342 instead of ns/demo#item342.

Note from the Author or Editor:
Submitted myself, will fix.

Bob DuCharme  Jul 22, 2014 
Printed
Page 181
bottom

Because Python has been updated with some backward-incompatible parts, the example at the bottom of this page does not work with the latest release of Python and should be updated.

Note from the Author or Editor:
update script

Bob DuCharme  Apr 19, 2014