Wiki grounding wish list / debug

[maxaalexeeva]

• return hierarchy info (e.g., subclass of)
• return groundings over threshold (what to base the threshold on? longest term with wiki concept edit distance?)
• tests for the grounder ranker
• cache grounding results to avoid regrinding
• writing a query that returns the closest string match, e.g., time for time (are queries deterministic?)
• document in repo wiki
• exclude verbs from terms?
• pass number of queries for Wikidata to return from config
• pass number of grounding to return per global var from config