Accurate and Informative are subjective terms. Informative in what way? Is it breadth of data you are after (i.e. most locations) or depth (most information about a place, more reviews, pictures etc.) or freshness (weeding out closed places, updating phone numbers etc.) Must the location be precise down to eight decimal places or is four good enough? What use is excellent coverage in Europe say, if the market for my app is based in Indonesia? and so on.
In my opinion, your best option here would be to run a simple beauty contest as described in a similar question here and base the results on the factors that are most important to you.