The research of influence propagation in social networks via word-of-mouth processes has been given considerable attention in recent years. Arguably, the most fundamental problem in this domain is the influence maximization problem, where the goal is to identify a small seed set of individuals that can trigger a large cascade of influence in the network. While there has been significant progres...

For a shopping mall, sales leakage occurs when consumer purchases facilitated by the mall are finalized outside it. These sales include, for example, catalog orders filled at the leased premises in a physical mall; For an Internet mall, they include the ones consumers make on an on-line store’s website after learning about the store from an Internet mall website. While these sales are difficult...

BACKGROUND We conducted a study to examine the quality and stability of information available from the Internet on four anaesthesia-related topics. METHODS In January 2006, we searched using four key words (porphyria, scleroderma, transfusion risk, and epidural analgesia risk) with five search engines (Google, HotBot, AltaVista, Excite, and Yahoo). We used a published scoring system (NetScori...

Corresponding author: Mohammad Hassan Nezafati Department of Cardiac Surgery Ghaem Hospital Mashhad University of Medical Sciences Mashhad, Iran PO Box: 91878544 Phone: +989151578421 Fax: +985136078099 E-mail: mhnezafati@yahoo. com 1 Cardiac Rehabilitation Research Center, Isfahan Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran 2 Department of Cardiac Su...

ion & Reformulation • Original formulation • Reformulated formulation Original problem Reformulated problem Reformulation technique The reformulation may be an approximation • Original query • Reformulated query Original space Reformulated space Φ(S l ti (P )) Solutions(Pr) o u ons o Solutions(Po) Constraint Systems Laboratory 10/1/2007 4 CP 2007 Issue: finding Ken’s house Google Maps Yahoo Maps

Penelitian ini bertujuan untuk menganalisa perbandingan dampak sebeum dan sesudah pengumuman corona virus pertama kali masuk ke Indonesia terhadap Abnormal Return Trading Volume Activity pada perusahaan yang sahamnya dalam LQ45 di Bursa Efek Indonesia. Dalam penelitian ini, penulis menganalisis pengaruh msaik diukur rentang waktu 15 hari sebelum sesudah. Metodologi digunakan adalah pendekatan k...

Defeating a CAPTCHA test requires two procedures: segmentation and recognition. Recent research shows that the problem of segmentation is much harder than recognition. In this paper, a new projection-based segmentation algorithm is proposed for the MSN and Yahoo CAPTCHAs. Experimental results show that the proposed algorithm can improve correct segmentation rates ranging from 9% to 14% over the...

PhD thesis in Information and Communication Technologies and their Management. The author was examined in June 2009 in Barcelona by the following committee: Paolo Rosso (Univ. Politécnica de Valencia), Aristides Gionis (Yahoo! Research), Juan José Rodŕıguez (Univ. de Burgos), Jordi Turmo (Univ. Politécnica de Catalunya) and Ester Bernadó (La Salle Univ. Ramon Lull). The grade obtained was Summa...