those are probably accounts which twitter filtered out. The docs are pretty
clear on this and give practical advice:
> Both the Streaming API and the Search API filter statuses created by a small
> proportion of accounts based upon status quality metrics. For example,
> frequent and repetitious status updates may, in some instances, and in
> combination with other metrics, result in a different status quality score
> for a given account. Results that are not selected by user id, for example:
> samples and keyword track, are filtered by this status quality metric.
> Results that are selected by user id, currently only results from the follow
> predicate, are unfiltered and allow all matching statuses to pass. If an
> expected user's statuses are not present in a non-follow-predicate stream
> type, manually cross-check the user against Search results. If the user's
> statuses are also not returned in Search, you can assume that the user's
> statuses will not be returned by non-follow-predicated streams.
> For more details see: http://help.twitter.com/forums/10713/entries/42646
> which states, in part:
> In order to keep your search results relevant, Twitter filters search results
> for quality. Our search results will not include suspended accounts, or
> accounts that may jeopardize search quality. Material that degrades search
> relevancy or creates a bad search experience for people using Twitter may be
> permanently removed.
On Jul 13, 2010, at 23:30 , codeless wrote:
> Hey there, I'm working with Juitter (http://juitter.com) on a project
> and have noticed that some users tweets won't appear on the live
> stream. And not just accounts that are set to private, but regular
> twitter accounts. I have done some research and have found some saying
> that not all Twitter accounts are indexed by the Twitter search
> engine. Is there anything I can change in Juitter to fix it so it'll
> work with all non-private accounts? Or a way to force Twitter into
> indexing a certain account? Any and all information is welcomed. Thank
> you for your help.