TY - JOUR
T1 - Word statistics in Blogs and RSS feeds
T2 - Towards empirical universal evidence
AU - Lambiotte, R.
AU - Ausloos, M.
AU - Thelwall, M.
N1 - Copyright 2007 Elsevier B.V., All rights reserved.
PY - 2007/1/1
Y1 - 2007/1/1
N2 - We focus on the statistics of word occurrences and of the waiting times between such occurrences in Blogs. Due to the heterogeneity of words' frequencies, the empirical analysis is performed by studying classes of "frequently-equivalent" words, i.e. by grouping words depending on their frequencies. Two limiting cases are considered: the dilute limit, i.e. for those words that are used less than once a day, and the dense limit for frequent words. In both cases, extreme events occur more frequently than expected from the Poisson hypothesis. These deviations from Poisson statistics reveal non-trivial time correlations between events that are associated with bursts of activities. The distribution of waiting times is shown to behave like a stretched exponential and to have the same shape for different sets of words sharing a common frequency, thereby revealing universal features.
AB - We focus on the statistics of word occurrences and of the waiting times between such occurrences in Blogs. Due to the heterogeneity of words' frequencies, the empirical analysis is performed by studying classes of "frequently-equivalent" words, i.e. by grouping words depending on their frequencies. Two limiting cases are considered: the dilute limit, i.e. for those words that are used less than once a day, and the dense limit for frequent words. In both cases, extreme events occur more frequently than expected from the Poisson hypothesis. These deviations from Poisson statistics reveal non-trivial time correlations between events that are associated with bursts of activities. The distribution of waiting times is shown to behave like a stretched exponential and to have the same shape for different sets of words sharing a common frequency, thereby revealing universal features.
UR - http://www.scopus.com/inward/record.url?scp=34848834796&partnerID=8YFLogxK
U2 - 10.1016/j.joi.2007.07.001
DO - 10.1016/j.joi.2007.07.001
M3 - Article
AN - SCOPUS:34848834796
SN - 1751-1577
VL - 1
SP - 277
EP - 286
JO - Journal of Informetrics
JF - Journal of Informetrics
IS - 4
ER -