social pharmacy d-pharm 1st year by Pragati K. Mahajan
MobiSys Seminar - Nov 4 2008
1. “the wisdom of the few”
neal lathia
xavier amatriain, josep m. pujol, haewoon kwak, nuria oliver
2.
3. tags: internet group
scalable
p2p advanced
social networks
delay-tolerant
performance
wireless
applications systems
content-distribution
pablo rodriguez, niko laoutaris, alberto lopez, josep m.
pujol, domenico giustiniano, georgios siganos, xiao yang
http://research.tid.es/internet/
4. tags: multimedia group
mobility
search hci
recommender systems
context-awareness mobile apps
multi-modal interfaces
social networks activity recognition
emotion
user modelling
nuria oliver, xavier amatriain, joachim neumann, xavier anguera,
mauro cherubini, (jon froehlich, neal lathia, jiejun xu)
http://research.tid.es/multimedia/
28. A classifier generates a
list of recommendations:
TP
P =
TP+FP
True Positive (TP):
Prediction > r, Rating > r
False Positive (FP):
Prediction > r, Rating < r
36. multi-source prediction
user-dependent: naïve predictors can
perform extremely well if users are
paired with correct source
(data quality is important!)
37. “the wisdom of the few”
neal lathia
xavier amatriain, josep m. pujol, haewoon kwak, nuria oliver