International Journal of Web Information Systems: Volume 13 Issue 4

Detecting and presenting welcome-news for tourists from user reviews

Akiyo Nadamoto, Keigo Sakai

Recently, people usually use the internet to obtain travel information, when they plan their travel. They especially want to obtain sightseeing spot information from reviews, but…

Twitter user growth analysis based on diversities in posting activities

Shuhei Yamamoto, Kei Wakabayashi, Tetsuji Satoh, Yuri Nozaki, Noriko Kando

The purpose of this paper is to clarify the characteristics of growth users over a long time to strategically collect a large amount of specific users’ tweets. Twitter reflects…

Dynamic SAX parameter estimation for time series

Chaw Thet Zan, Hayato Yamana

The paper aims to estimate the segment size and alphabet size of Symbolic Aggregate approXimation (SAX). In SAX, time series data are divided into a set of equal-sized segments…

An evaluation of uplift mapping languages

Ademar Crotti Junior, Christophe Debruyne, Rob Brennan, Declan O’Sullivan

This paper aims to evaluate the state-of-the-art in CSV uplift tools. Based on this evaluation, a method that incorporates data transformations into uplift mapping languages by…

Set of tuples expansion by example with reliability

Ngurah Agus Sanjaya Er, Mouhamadou Lamine Ba, Talel Abdessalem, Stéphane Bressan

This paper aims to focus on the design of algorithms and techniques for an effective set expansion. A tool that finds and extracts candidate sets of tuples from the World Wide Web…

MovRec: a personalized movie recommendation system for children based on online movie features

Yiu-Kai Ng

The purpose of this study is to suggest suitable movies for children among the various multimedia selections available these days. Multimedia have a significant impact on the…

Service composition in the multi cloud environment

Abdelbasset Barkat, Kazar Okba, Samir Bourekkache

User requests over the cloud are not achievable with one single service, multiple services need to be executed to fulfill what a user asks for. Typically, such services are…

Deferred repair of inconsistencies resulting from retroactive updates of temporal XML currency data

Hind Hamrouni, Fabio Grandi, Zouhaier Brahmia

A temporal XML database could become an inconsistent model of the represented reality after a retroactive update. Such an inconsistency state must be repaired by performing…