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ACM Transactions on the Web (TWEB), Volume 11 Issue 2, May 2017

Value and Misinformation in Collaborative Investing Platforms
Tianyi Wang, Gang Wang, Bolun Wang, Divya Sambasivan, Zengbin Zhang, Xing Li, Haitao Zheng, Ben Y. Zhao
Article No.: 8
DOI: 10.1145/3027487

It is often difficult to separate the highly capable “experts” from the average worker in crowdsourced systems. This is especially true for challenge application domains that require extensive domain knowledge. The problem of stock...

Periodicity in User Engagement with a Search Engine and Its Application to Online Controlled Experiments
Alexey Drutsa, Gleb Gusev, Pavel Serdyukov
Article No.: 9
DOI: 10.1145/2856822

Nowadays, billions of people use the Web in connection with their daily needs. A significant part of these needs are constituted by search tasks that are usually addressed by search engines. Thus, daily search needs result in regular user...

Analyzing the Adoption and Cascading Process of OSN-Based Gifting Applications: An Empirical Study
M. Rezaur Rahman, Jinyoung Han, Yong Jae Lee, Chen-Nee Chuah
Article No.: 10
DOI: 10.1145/3023871

To achieve growth in the user base of online social networks--(OSN) based applications, word-of-mouth diffusion mechanisms, such as user-to-user invitations, are widely used. This article characterizes the adoption and cascading process of...

Nonlinear Dynamics of Information Diffusion in Social Networks
Yasuko Matsubara, Yasushi Sakurai, B. Aditya Prakash, Lei Li, Christos Faloutsos
Article No.: 11
DOI: 10.1145/3057741

The recent explosion in the adoption of search engines and new media such as blogs and Twitter have facilitated the faster propagation of news and rumors. How quickly does a piece of news spread over these media? How does its popularity diminish...

On Obstructing Obscenity Obfuscation
Sergio Rojas-Galeano
Article No.: 12
DOI: 10.1145/3032963

Obscenity (the use of rude words or offensive expressions) has spread from informal verbal conversations to digital media, becoming increasingly common on user-generated comments found in Web forums, newspaper user boards, social networks, blogs,...

An Empirical Investigation of Ecommerce-Reputation-Escalation-as-a-Service
Haitao Xu, Daiping Liu, Haining Wang, Angelos Stavrou
Article No.: 13
DOI: 10.1145/2983646

In online markets, a store’s reputation is closely tied to its profitability. Sellers’ desire to quickly achieve a high reputation has fueled a profitable underground business that operates as a specialized crowdsourcing marketplace...