document: Portal payback The benefits of deploying a corporate portal are well-documented : access to applications and content is centralised , so users do not spend hours searching for information ; the management of disparate applications is also centralised , and by allowing users to access ` self-service ' applications in areas such as human resources and procurement , organisations spend less time on manual processing tasks . But how far can prospective customers rely on the ROI figures presented to them by portal technology vendors ? In particular , how reliable are the ` ROI calculators ' these vendors supply on their web sites ?
doc_bio_tags: O O O O O O O B I O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O B I O
extractive_keyphrases: corporate portal web sites
abstractive_keyphrases: return on investment roi calculator metrics