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The method previousPage is also similar to nextPage in that it can be used in a while loop , except that it returns true as long as there is another page preceding it and false when there are no more pages ahead of it . This demonstration proved successful in clearing up the data contradiction problem since each data element in the catalog was actually a reference to information in the Lisp database . Common examples of interactive computer services include those provided by commercial entities such as America Online , Prodigy , and CompuServe that , in addition to providing subscribers with access to information in their own databases , provide access to the Internet . Here , the policy memorandum states that an inmate is assigned UAC status after being found guilty in a disciplinary report for the following : refusing to accept employment or required programming , being separated from employment or programming due to placement in segregation , changing security classification which results in a transfer to a higher custody housing unit , or being terminated from employment or programming . This benefit to the farmworker is tempered by the poor condition of much of the housing ( including shacks , garages , and even just open pieces of ground ) and the pressure of the landlord to crowd in as many renters as possible . Rather , access to information in many languages or data in many formats creates both a need and an opportunity for formal , informal , and lifelong learning . Decisions to purchase , lease or otherwise provide ongoing access to information in an electronic format will generally be based on the subject matter as well as other factors such as technical requirements , cost , licensing , Departmental accessibility , currency and functionality . The outcome of the application of M ā ori subject headings and agreed forms of M ā ori names by library staff , will be better access to information in te reo . Two genetically distinct virus groups are present in Africa , but only one is responsible for epidemics giving rise to encephalitis in humans and horses .