For example, the (stemmed) expansion terms for the query "insider trading" suggested respectively by CIQE and CDQE are as follows: CIQE: stock:0.0141 market:0.0113 US:0.0112 year:0.0102 exchang:0.0101 trade:0.0092 report:0.0082 price:0.0076 dollar:0.0071 1:0.0069 govern:0.0066 state:0.0065 futur:0.0061 million:0.0061 dai:0.0060 offici:0.0059 peopl:0.0059 york:0.0057 issu:0.0057 … CDQE: secur:0.0161 charg:0.0158 stock:0.0137 scandal:0.0128 boeski:0.0125 inform:0.0119 street:0.0113 wall:0.0112 case:0.0106 year:0.0090 million:0.0086 investig:0.0082 exchang:0.0080 govern:0.0077 sec:0.0077 drexel:0.0075 fraud:0.0071 law:0.0063 ivan:0.0060 … We can see that in general, the terms suggested by CDQE are much more relevant.
it has been able to suggest "boeski" (Boesky) who is involved in an insider trading scandal.