CMS diff: SPARQL Tutorial - Datasets

[Tom Saleeba <an...@apache.org>]

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Tom Saleeba

Index: trunk/content/tutorials/sparql_datasets.mdtext
===================================================================
--- trunk/content/tutorials/sparql_datasets.mdtext	(revision 1641299)
+++ trunk/content/tutorials/sparql_datasets.mdtext	(working copy)
@@ -11,6 +11,7 @@
 [`OPTIONAL`s](sparql_optionals.html), and [`UNION`s](sparql_union.html)) work on
 one RDF graph.  This starts out being the default graph of the
 dataset but it can be changed by the `GRAPH` keyword.
+
     GRAPH uri { ... pattern ... }
 
     GRAPH var { ... pattern ... }
@@ -28,7 +29,7 @@
 
 An RDF dataset can take a variety of forms.  Two common setups are
 to have the default graph being the union (the RDF merge) of all
-the named graphs and to have the default graph be an inventory of
+the named graphs or to have the default graph be an inventory of
 the named graphs (where they came from, when they were read etc). 
 There are no limitations - one graph can be included twice under
 different names, or some graphs may share triples with others.
@@ -60,7 +61,7 @@
 
 That is, we have two small graphs describing some books, and we
 have a default graph which records when these graphs were last
-read
+read.
 
 Queries can be run with the command line application (this would be
 all one line):
@@ -185,7 +186,7 @@
 but an application can create datasets and then use them in many
 queries.
 
-When described in the query, `FROM <i>url</i>` is used to identify
+When described in the query, `FROM ` <i>`url`</i> is used to identify
 the contents to be in the default graph. There can be more than one
 `FROM` clause and the default graph is result of reading each file
 into the default graph. It is the RDF merge of the individual
@@ -197,7 +198,7 @@
 given, the data can be read in from several places but none of them
 become the graph name.
 
-`FROM NAMED <i>url</i>` is used to identify a named graph. The
+`FROM NAMED ` <i>`url`</i> is used to identify a named graph. The
 graph is given the name *url* and the data is read from that
 location. Multiple `FROM NAMED` clauses cause multiple graphs to be
 added to the dataset.