You can't use < or { in the question title itself, but you can ask the question by giving a summary in the title and posting the rest of your question in the edit box where those symbols are allowed, or you can spell out the symbols like "angle-bracket symbol" instead of <.
| Attributes | Values |
|---|---|
| rdfs:label |
|
| rdfs:comment |
|
| dcterms:subject | |
| abstract |
|