Semantics is the meaning of a piece of writing. On a wiki, this means that information is produced in a logical way to benefit readers. Wiki information is often meant for human readers, as it is not easily scanned by web crawlers; however, in semantic wikis, information is made to be easily processable by both humans and machines.

Semantic Web

The semantic web aims to aid computers in interpreting large amounts of information found on the web. As the word, semantics, implies, these computers are able to derive meaning out of the information they analyze. Since information is stored in a logical way, efficient queries and rules can be applied to information to help derive this meaning.


Pages within a wiki are linked together through hyperlinks within each page. Having this related information readily available improves the efficiency of finding relevant information. Furthermore, these pages may be updated as soon as new information is discovered on a topic, and related pages may be updated as well through the communication within the wiki community.

VS Syntax

Unlike semantics, syntax is the words or symbols used to form written information. An example of this is the use of CamelCase to form hyperlinks between pages in a wiki. Syntax defines the rules in which sentences, phrases, or expressions are constructed while semantics is the meaning behind what is written. In the following expression, one can see that "a" gets assigned "a+1" as part of the semantics. Meanwhile, the syntax is that the value to be assigned is to the left of the equals symbol, the assigned value is placed to the right of the equals symbol, and the expression is ended with a semicolon.
a = a + 1;

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