In other instances, where the next mention bias created by the discourse structure does not conflict with the preference to interpret pronouns as referring back to previous subjects, pronoun reference resumes its heavy subject bias and there is infrequent linking of pronouns to non-subject antecedents.
Another option would be to break the network into shorter time segments during which the set of units is more stable (cf. Ref. [22]), but those segments cannot be too short - then they would not cover the infrequent links that could be very important for the size of an outbreak [23].
Although it is not as highly addictive as those substances, even infrequent cocaine use is linked to heart disease and convulsions.
Also an infrequent bus service 7 links Herne Bay to Canterbury but The Triangle routes are more frequent, quick and direct.
Basic education, depression, anxiety, deficits in social support and infrequent physical exercise were linked to higher levels of neck pain, representing characteristics relatively easy to assess in general practice.
Clashes along Tajikistan's extensive border with Afghanistan are not infrequent, and the authorities have linked foreign militants to several attacks on the police and military units in the last year.
Deficits in social support, basic education and infrequent exercise, in contrast, were not linked with neck pain in the adjusted model.
Another interesting, but very infrequent pattern, that was observed by linking BACs with overlapping BAC-end sequences on the plate was star-like (Fig. 6C).
Thus there is a large number of nodes that make only infrequent calls, and a large number of links that carry only a few calls.
The infrequent lineage-specific amplifications observed may be linked to the emergence of novel functions in particular tissues.
