A more useful distinction is in terms of informative and non-informative variation where informative relates to the problem being studied.
From the algebraic study of specific logics a general theory of the algebraization of logics slowly emerged during the last century with the aim, more or less explicitly stated during the process, of obtaining general and informative results relating the properties a logic may have with the algebraic properties the class of algebras (or algebra related structures) associated with it might posses.
Santiago, your article was very well written and informative as relate to the logic of solar-energy capture and conversion to use for human purposes.
The example provided would seem to favor the conclusion; TCP/IP's anniversary today has resulted in Google preferencing recent posts, including from Digg, over informative articles related to the search term such as Wikipedia who would have normally had the top or near to the top position.
Among the range-free approaches found in the literature, some of them try to achieve localization based on simple variables such as, connectivity [7] or hop-count [8], while others use more informative parameters related to signal angle-of-arrival (AOA) [9] or received power [10, 11].
For the year 2010 eighteen highly informative ADHD related papers appeared in ECAP.
Three multivariate logistic models were developed to identify the most informative factors related to the outcome variables.
The study of loss-of-function mutants for these genes in flax might identify informative phenotypes related to stem development.
It could be argued that rather than measure pretreatment PR expression, it might be more informative to relate change in PR level with clinical response.
Their search was focused on models defined as "abstract computational, algorithmic, statistical, or mathematical representation that produces informative output related to event detection or event risk".
