Querying within tace or scripace is much the same. The primary difference being the addition of the Where operator that is used to apply criteria to a keyset that has previously been found. Figure 3 . This query finds all genes whose name begins with s. The keyword Find indicates that the entire database is to be searched.
Gene dictates the class of the object to be searched for.
This query finds all genes whose name begins with s and have exactly three letters. This query finds all the P elements that are available at the stock center. The existence of this tag is a criteria that restricts the search. Any tag that has been defined for a class can be used in this way. This query finds all papers of which Ashburner is an author.