Update README.md

Author: Aklakan

docs/examples/README.md

@@ -414,10 +414,10 @@ SELECT * { <example-data/people.csv> csv:parse (?rowJson "excel -h") }
 ```
 ## Lambdas in SPARQL
 
-The function pair `norse:fn.of` and `norse:fn.call` is used to define and invoke a lambda. The definition of a lambda allows
+The function pair `norse:sparql.fn.of` and `norse:fn.call` is used to define and invoke a lambda. The definition of a lambda allows
 is based on conventional SPARQL expressions which however are evaluated lazily.
 
-* The function `norse:fn.of(var1, ... varN, expr)` first accepts a list of input sparql variables followed by a single sparql expression.
+* The function `norse:sparql.fn.of(var1, ... varN, expr)` first accepts a list of input sparql variables followed by a single sparql expression.
   Any non-input variable mentioned in `expr` is substituted with the current binding's value.
   The result of the function is an RDF literal of type `norse:lambda` which holds the lambda. The syntax of lambda literals is `?v1 v2 -> expr`.
 * The function `norse:fn.call(lambdaLiteral, value1, ... valueN)` is used to invoke a lambda. The declared input variables are thereby substituted with the corresponding
@@ -430,9 +430,9 @@ is based on conventional SPARQL expressions which however are evaluated lazily.
 PREFIX norse: <https://w3id.org/aksw/norse#>
 SELECT ?resultA ?resultB {
   BIND('Dear' AS ?salutation)
-  BIND(norse:fn.of(?honorific, ?name, CONCAT(?salutation, ' ', ?honorific, ' ', ?name)) AS ?greetingsFn)
-  BIND(norse:fn.call(?greetingsFn, "Mrs.", "Miller") AS ?resultA)
-  BIND(norse:fn.call(?greetingsFn, "Ms.", "Smith") AS ?resultB)
+  BIND(norse:sparql.fn.of(?honorific, ?name, CONCAT(?salutation, ' ', ?honorific, ' ', ?name)) AS ?greetingsFn)
+  BIND(norse:sparql.fn.call(?greetingsFn, "Mrs.", "Miller") AS ?resultA)
+  BIND(norse:sparql.fn.call(?greetingsFn, "Ms.", "Smith") AS ?resultB)
 }
 ```