Fang Wu

Feedback loops of attention in peer production (2009)

Wu, Fang, Wilkinson, Dennis M., Huberman, Bernardo A.

A significant percentage of online content is now published and consumed via the mechanism of crowdsourcing. While any user can contribute to these forums, a disproportionately large percentage of...

Persistence and Success in the Attention Economy (2009)

Wu, Fang, Huberman, Bernardo A.

A hallmark of the attention economy is the competition for the attention of others. Thus people persistently upload content to social media sites, hoping for the highly unlikely outcome of topping...

Social networks that matter: Twitter under the microscope (2009)

Bernardo Huberman, Daniel M. Romero, Fang Wu

Scholars, advertisers and political activists see massive online social networks as a representation of social interactions that can be used to study the propagation of ideas, social bond dynamics...

Social networks that matter: Twitter under the microscope (2008)

Huberman, Bernardo A., Romero, Daniel M., Wu, Fang

Scholars, advertisers and political activists see massive online social networks as a representation of social interactions that can be used to study the propagation of ideas, social bond dynamics...

Human Pentastomiasis in China: Case Report and Literature Review (2008)

Min Hua Yao, Fang Wu, Lan Fang Tang

A 13-yr-old boy was admitted because of persistent fever, abdominal pain, and diarrhea for 3 mo. Abdominal computerized tomography revealed hepatomegaly and multiple nodular low-density pathological...

Crowdsourcing, Attention and Productivity (2008)

Huberman, Bernardo A., Romero, Daniel M., Wu, Fang

The tragedy of the digital commons does not prevent the copious voluntary production of content that one witnesses in the web. We show through an analysis of a massive data set from \texttt{YouTube}...

Hyperconjugative Effect on the Electronic Wavefunctions of Ethanol (2008)

Chen, Xiangjun, Wu, Fang, Yan, Mi, Li, Hai-Bei, Tian*, Shan Xi, Shan, Xu, ...

Hyperconjugation is a basic conception of chemistry. Its straightforward effect is exhibited by the spatial delocalization characteristics of the electron density distributions or wavefunctions. Such...

Public Discourse in the Web Does Not Exhibit Group Polarization (2008)

Wu, Fang, Huberman, Bernardo A.

We performed a massive study of the dynamics of group deliberation among several websites containing millions of opinions on topics ranging from books to media. Contrary to the common phenomenon of...

Games and Queues (2008)

Li Zhang, Fang Wu, Bernardo A. Huberman

We consider scheduling in distributed systems from a game theoretic point view while taking into account queuing theory methodologies. In this approach no one knows the global state of the system...

Proportional response dynamics leads to market equilibrium (2008)

Fang Wu, Li Zhang

One of the main reasons of the recent success of peer to peer (P2P) file sharing systems such as BitTorrent is its built-in tit-for-tat mechanism. In this paper, we model the bandwidth allocation in...

DOI: 10.1007/s11066-006-9002-2 Ensuring trust in one time exchanges: solving the QoS problem (2008)

Bernardo A. Huberman, Fang Wu, Li Zhang

We describe a pricing structure for the provision of IT services that ensures trust without requiring repeated interactions between service providers and users. It does so by offering a pricing...

Popularity, Novelty and Attention (2008)

Wu, Fang, Huberman, Bernardo A.

We analyze the role that popularity and novelty play in attracting the attention of users to dynamic websites. We do so by determining the performance of three different strategies that can be...

Popularity, Novelty and Attention (2008)

Fang Wu, Bernardo A. Huberman

We analyze the role that popularity and novelty play in attracting the attention of users to dynamic websites. We do so by determining the performance of three different strategies that can be...

Novelty and Collective Attention (2007)

Wu, Fang, Huberman, Bernardo A.

The subject of collective attention is central to an information age where millions of people are inundated with daily messages. It is thus of interest to understand how attention to novel items...

Comparative Advantage and Efficient Advertising in the Attention Economy (2007)

Bernardo A. Huberman, Fang Wu

We analyze the problem that enterprises face when having to decide on the most effective way to advertise several items belonging to their inventories within the company’s webpages. We show that...

Novelty and collective attention (2007)

Fang Wu, Bernardo A. Huberman

The subject of collective attention is central to an information age where millions of people are inundated with daily messages. It is thus of interest to understand how attention to novel items...

Optimal Bidding Strategy for Keyword Auctions and Other Continuous-time Markets (2007)

Fang Wu

This paper models continuous-time mass bidding markets, such as keyword auctions and market-based resource allocation systems, as a stochastic dynamic system that fluctuates around an average value...

Comparative Advante and Efficient Advertising in the Attention Economy (2006)

Huberman, Bernardo, Wu, Fang

We analyze the problem that enterprises face when having to decide on the most effective way to advertise several items belonging to their inventories within the company’s webpages. We show that...

Spatial Clustering with Obstacles Constraints Based on Genetic Algorithms and K-Medoids (2006)

Xueping Zhang, Jiayao Wang, Fang Wu

Spatial clustering has been an active research area in Spatial Data Mining (SDM). Many methods on spatial clustering have been proposed in the literature, but few of them have taken into account...

The economics of attention: maximizing user value in information rich environments (2006)

Bernardo A. Huberman, Fang Wu

We introduce an automatic configuration mechanism that generates the most relevant information to be presented to limited attention users of information-rich media. It also guarantees to maximize...

Comparative Advantage and Efficient Advertising in the Attention Economy (2006)

Bernardo A. Huberman, Fang Wu

We analyze the problem that enterprises face when having to decide on the most effective way to advertise several items belonging to their inventories within the company’s webpages. We show that...

Bootstrapping the Long Tail in Peer to Peer Systems (2006)

Bernardo A. Huberman, Fang Wu

The provision of digitized content on-demand to millions of users presents a formidable challenge. With an ever increasing number of fixed and mobile devices with video capabilities, and a growing...

Keywords Mechanism design · Truth-telling · Reservation · Option · Contract · Incentive compatible (2006)

Fang Wu, Li Zhang, Bernardo A. Huberman

Abstract We present a mechanism for reservations of bursty resources that is both truthful and robust. It consists of option contracts whose pricing structure induces users to reveal the true...

Bootstrapping the Long Tail in Peer to Peer Systems (2005)

Huberman, Bernardo A., Wu, Fang

We describe an efficient incentive mechanism for P2P systems that generates a wide diversity of content offerings while responding adaptively to customer demand. Files are served and paid for through...

Ensuring Trust in One Time Exchanges: Solving the QoS Problem (2005)

Huberman, Bernardo A., Wu, Fang, Zhang, Li

We describe a pricing structure for the provision of IT services that ensures trust without requiring repeated interactions between service providers and users. It does so by offering a pricing...

Management Fads, Pedagogies and Soft Technologies (2005)

Bendor, Jonathan, Huberman, Bernardo A., Wu, Fang

We present a model for the diffusion of management fads and other technologies which lack clear objective evidence about their merits. The choices made by non-Bayesian adopters reflect both their own...

Truth-telling Reservations (2005)

Wu, Fang, Zhang, Zi, Huberman, Bernardo A.

We present a mechanism for reservations of bursty resources that is both truthful and robust. It consists of option contracts whose pricing structure induces users to reveal the true likelihoods that...

Truth-telling Reservations (2005)

Fang Wu, Li Zhang, Bernardo A. Huberman

Abstract. We present a mechanism for reservations of bursty resources that is both truthful and robust. It consists of option contracts whose pricing structure induces users to reveal the true...

Ensuring trust in one time exchanges: Solving the QoS problem (2005)

Bernardo A. Huberman, Fang Wu, Li Zhang

We describe a pricing structure for the provision of IT services that ensures trust without requiring repeated interactions between service providers and users. It does so by offering a pricing...

Social Structure and Opinion Formation (2004)

Wu, Fang, Huberman, Bernardo A.

We present a dynamical theory of opinion formation that takes explicitly into account the structure of the social network in which in- dividuals are embedded. The theory predicts the evolution of a...

The Dynamics of Reputations (2004)

Bernardo A. Huberman, Fang Wu

We study the endogenous dynamics of reputations in a system consisting of firms with long horizons that provide goods or services with varying levels of quality, and large numbers of customers who...

The Dynamics of Reputations (2004)

Bernardo A Huberman, Fang Wu

We s tudy the endogenous dynamics of reputations in a system consisting of firms with long horizons that provide goods or services with varying levels of quality, and large numbers of customers who...

Social structure and opinion formation (2004)

Fang Wu, Bernardo A. Huberman

We present a dynamical theory of opinion formation that takes explicitly into account the structure of the social network in which individuals are embedded. This is the case that arises in situations...

Finding Communities in Linear Time: A Physics Approach (2003)

Wu, Fang, Huberman, Bernardo A.

We present a method that allows for the discovery of communities within graphs of arbitrary size in times that scale linearly with their size. This method avoids edge cutting and is based on notions...

Information Flow in Social Groups (2003)

Wu, Fang, Huberman, Bernardo A., Adamic, Lada A., Tyler, Joshua

We present a study of information flow that takes into account the observation that an item relevant to one person is more likely to be of interest to individuals in the same social circle than those...

Self-Organizing Approach for Finding Borders of DNA Coding Regions (2001)

Wu, Fang, Zheng, Wei-Mou

A self-organizing approach is proposed for gene finding based on the model of codon usage for coding regions and positional preference for noncoding regions. The symmetry between the direct and...

Energetics and Dynamics of Si Ad-Dimers on Si(001) (1995)

Zhang, Zhenyu, Wu, Fang, Zandvliet, H.J.W., Poelsema, B., Metiu, H., Lagally, M.G.

The energetics and dynamics of Si ad-dimers on Si(001) have been investigated by total-energy calculations and scanning tunneling microscopy. Several dimer configurations and a thermally activated...

A Note on Quadratic Convergence of the Homogeneous and Self-Dual Linear Programming Algorithm (1992)

Fang Wu, Shiquan Wu, Yinyu Ye

: In this note we show that Ye-Todd-Mizuno's O( p nL)-iteration homogeneous and self-dual linear programming (LP) algorithm possesses quadratic convergence of the duality gap to zero. In the...

Paleomagnetism of Middle--Late Triassic plutons in southern Maine (1988)

Wu, Fang, Van Der Voo, Rob

A paleomagnetic study of two small syenitic to alkali-granitic plutons, Abbott and Agamenticus (southern Maine), yields paleopoles at 48[deg]N, 92[deg]E, and 48 [deg]N, 99 [deg]E, with K-Ar ages of...

Uncoupling and Turnover in a Cl−/H+ Exchange Transporter

Walden, Michael, Accardi, Alessio, Wu, Fang, Xu, Chen, Williams, Carole, Miller, Christopher

The CLC-family protein CLC-ec1, a bacterial homologue of known structure, stoichiometrically exchanges two Cl− for one H+ via an unknown membrane transport mechanism. This study examines mutations...

Games and Queues

Bernardo A. Huberman, Li Zhang, Fang Wu

We consider scheduling in distributed systems from a game theoretic point view while taking into account queuing theory methodologies. In this approach no one knows the global state of the system...

The Dynamics of Reputations

Bernardo A. Huberman, Fang Wu

reputations, collective games, evolutionary dynamics

Private operators and time-of-day tolling on a congested road network

André De Palma, Robin Lindsey, Fang Wu

Private-sector involvement in the construction and operation of roads is growing around the world and private toll roads are seen as a useful tool in the battle against congestion. Yet serious...

Overcoming export manufacturers’ dilemma in international expansion

Fang Wu, Rudolf R Sinkovics, S Tamer Cavusgil, Anthony S Roath

Learning and acquiring local market knowledge from foreign distributors are central to manufacturers’ export market performance. Drawing from the resource-based view, we propose that manufacturers...

The link between incentives and product performance in open source development: an empirical investigation

Sujoy Chakravarty, Ernan Haruvy, Fang Wu

In open source software development, users rather than paid developers engage in innovation and development without the direct involvement of manufacturers. This paradigm cannot be explained by the...

Social Structure and Opinion Formation

Fang Wu, Bernardo A. Huberman

We present a dynamical theory of opinion formation that takes explicitly into account the structure of the social network in which individuals are embedded. The theory predicts the evolution of a set...

Ensuring trust in one time exchanges: solving the QoS problem

Bernardo Huberman, Fang Wu, Li Zhang

contingent contract, quality of service, mechanism design,

Novelty and collective attention

Wu, Fang, Huberman, Bernardo A.

The subject of collective attention is central to an information age where millions of people are inundated with daily messages. It is thus of interest to understand how attention to novel items...

THE ECONOMICS OF ATTENTION: MAXIMIZING USER VALUE IN INFORMATION-RICH ENVIRONMENTS

BERNARDO A. HUBERMAN, FANG WU

A distinguishing feature of the information era is the saliency of people's attention as a scarce resource. Unlike an earlier time when information was a valuable resource, its easy availability has...

Comparative Advante and Efficient Advertising in the Attention Economy

Huberman, Bernardo, Wu, Fang

We analyze the problem that enterprises face when having to decide on the most effective way to advertise several items belonging to their inventories within the company’s webpages. We show that...

Poisoning Pyridoxal 5-Phosphate-Dependent Enzymes: A New Strategy to Target the Malaria Parasite Plasmodium falciparum

Müller, Ingrid B., Wu, Fang, Bergmann, Bärbel, Knöckel, Julia, Walter, Rolf D., Gehring, Heinz, ...

The human malaria parasite Plasmodium falciparum is able to synthesize de novo pyridoxal 5-phosphate (PLP), a crucial cofactor, during erythrocytic schizogony. However, the parasite possesses...

Ion permeation through a Cl−-selective channel designed from a CLC Cl−/H+ exchanger

Jayaram, Hariharan, Accardi, Alessio, Wu, Fang, Williams, Carole, Miller, Christopher

The CLC family of Cl−-transporting proteins includes both Cl− channels and Cl−/H+ exchange transporters. CLC-ec1, a structurally known bacterial homolog of the transporter subclass, exchanges...

Proteome-Wide Identification of Novel Binding Partners to the Oncogenic Fusion Gene Protein, NPM-ALK, using Tandem Affinity Purification and Mass Spectrometry

Wu, Fang, Wang, Peng, Young, Leah C., Lai, Raymond, Li, Liang

Nucleophosmin-anaplastic lymphoma kinase (NPM-ALK), an oncogenic fusion gene protein that is characteristically found in a subset of anaplastic large cell lymphomas, promotes tumorigenesis through...

Private Operators and Time-of-Day Tolling on a Congested Road Network

André De Palma, Robin Lindsey, Fang Wu

Congestion pricing by public and private toll road operators is compared using METROPOLIS: the first fully dynamic traffic simulator that treats transport mode, departure time and route choices...

Helicobacter pylori VacA Disrupts Apical Membrane-Cytoskeletal Interactions in Gastric Parietal Cells*S⃞

Wang, Fengsong, Xia, Peng, Wu, Fang, Wang, Dongmei, Wang, Wei, Ward, Tarsha, ...

Helicobacter pylori persistently colonize the human stomach and have been linked to atrophic gastritis and gastric carcinoma. Although it is well known that H. pylori infection can result in...

Phosphorylation of HsMis13 by Aurora B Kinase Is Essential for Assembly of Functional Kinetochore*S⃞

Yang, Yong, Wu, Fang, Ward, Tarsha, Yan, Feng, Wu, Quan, Wang, Zhaoyang, ...

Chromosome movements in mitosis are orchestrated by dynamic interactions between spindle microtubules and the kinetochore, a multiprotein complex assembled onto centromeric DNA of the chromosome....

Isoquinoline-1,3,4-trione Derivatives Inactivate Caspase-3 by Generation of Reactive Oxygen Species*S⃞

Du, Jun-Qing, Wu, Jian, Zhang, Hua-Jie, Zhang, Ya-Hui, Qiu, Bei-Ying, Wu, Fang, ...

Caspase-3 is an attractive therapeutic target for treatment of diseases involving disregulated apoptosis. We report here the mechanism of caspase-3 inactivation by isoquinoline-1,3,4-trione...