blue / papers.hotmobile2015-numerator · Commits

Commit 8d84c652c61eaab254b71e4145f0848a747a3abb

Authored by Geoffrey Challen
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Showing 2 changed files with 11 additions and 11 deletions
paper.tex
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... ... @@ -18,6 +18,8 @@ Apps}
18 18 \else
19 19 \fi
20 20  
  21 +\toappear{}
  22 +
21 23 \begin{document}
22 24  
23 25 \ifdefined\isblue
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usage.tex
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... ... @@ -12,11 +12,9 @@ problem: what is the value of an app?
12 12 All smartphone users intuitively realize that smartphone apps differ in
13 13 value---an email client, for example, is probably more valuable than a app
14 14 that makes farting sounds. But is it possible to quantify these subjective
15   -distinctions and produce a value measure?
16   -
17   -To argue that this is possible we present two experiments that elucidate
18   -smartphone app value in the form of both ordinal and cardinal utilities,
19   -respectively:
  15 +distinctions and produce a value measure? To argue that this is possible we
  16 +present two experiments that elucidate smartphone app value in the form of
  17 +both ordinal and cardinal utilities:
20 18 %
21 19 \begin{enumerate}
22 20  
... ... @@ -72,12 +70,12 @@ videoconferencing app is not. Ultimately, all the energy consumption
72 70 comparison truly reveals is that the two apps do different things---which we
73 71 already knew.
74 72  
75   -Using energy consumption alone even makes apples-to-apples comparison of the same app
76   -difficult. Given an app that consumes twice as much energy on Alice's
77   -smartphone than on Bob's, the question of why is left unanswered by pure
78   -energy measures. Even if usage time can be used to normalize the comparison
79   -to the power consumed, power consumption alone cannot incorporate differences
80   -due to the different app features or configurations used by Alice and Bob.
  73 +Using energy consumption alone even makes apples-to-apples comparison of the
  74 +same app difficult. Given an app that consumes twice as much energy on
  75 +Alice's smartphone than on Bob's, the question of why is left unanswered by
  76 +pure energy measures. Even if usage time can be used to normalize the
  77 +comparison, power consumption alone cannot incorporate differences due to the
  78 +different app features or configurations used by Alice and Bob.
81 79  
82 80 By computing value and, thus, energy efficiency, we can overcome these
83 81 weaknesses. A value measure should allow us to compare the efficiency of two
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