Search results for "INTERNET"
showing 10 items of 2589 documents
Accuracy and Completeness of Drug Information in Wikipedia: A Comparison with Standard Textbooks of Pharmacology
2014
The online resource Wikipedia is increasingly used by students for knowledge acquisition and learning. However, the lack of a formal editorial review and the heterogeneous expertise of contributors often results in skepticism by educators whether Wikipedia should be recommended to students as an information source. In this study we systematically analyzed the accuracy and completeness of drug information in the German and English language versions of Wikipedia in comparison to standard textbooks of pharmacology. In addition, references, revision history and readability were evaluated. Analysis of readability was performed using the Amstad readability index and the Erste Wiener Sachtextforme…
Learning to Rank Images for Complex Queries in Concept-based Search
2018
Concept-based image search is an emerging search paradigm that utilizes a set of concepts as intermediate semantic descriptors of images to bridge the semantic gap. Typically, a user query is rather complex and cannot be well described using a single concept. However, it is less effective to tackle such complex queries by simply aggregating the individual search results for the constituent concepts. In this paper, we propose to introduce the learning to rank techniques to concept-based image search for complex queries. With freely available social tagged images, we first build concept detectors by jointly leveraging the heterogeneous visual features. Then, to formulate the image relevance, …
The heterogeneity of inter-domain Internet application flows: entropic analysis and flow graph modelling
2013
The growing popularity of the Internet has triggered the proliferation of various applications, which possess diverse communication patterns and user behaviour. In this paper, the heterogeneous characteristics of Internet applications and traffic are investigated from a complex network and entropic perspective. On the basis of real-life flow data collected from a public network provided by an Internet service provider, flow graphs are constructed for five types of applications as follows: Web, P2P Download, P2P Stream, Video Stream and Instant Messaging. Three types of entropy measures are introduced to the flow graphs, and the heterogeneity of applications within a 24-h period is analysed …
Online Induction of Probabilistic Real Time Automata
2012
Probabilistic real time automata (PRTAs) are a representation of dynamic processes arising in the sciences and industry. Currently, the induction of automata is divided into two steps: the creation of the prefix tree acceptor (PTA) and the merge procedure based on clustering of the states. These two steps can be very time intensive when a PRTA is to be induced for massive or even unbounded data sets. The latter one can be efficiently processed, as there exist scalable online clustering algorithms. However, the creation of the PTA still can be very time consuming. To overcome this problem, we propose a genuine online PRTA induction approach that incorporates new instances by first collapsing…
Grounded Analytic Research: Building Theory from a Body of Research
2012
Track II: Recent Developments in Inductive Research Methods; International audience; In this paper, we present Grounded Analytic Research (GAR) as a method to build theory by synthesizing empirical findings from multiple studies that has been conducted by a single researcher. GAR incorporates concepts from grounded theory, analytic research and systematic literature review. The method was applied in a doctoral dissertation work to build the theoretical concept of Demand Sustainability of public Internet access in the context of bridging the digital divide. We describe GAR and compare it with existing theory building methods that are similar to it in epistemology and ontology.
Shilling, Squeezing, Sniping. A further explanation for late bidding in online second-price auctions
2021
Abstract Several studies provide empirical evidence for sniping (i.e., waiting until the last few seconds to bid) in second-price internet auctions, particularly in auctions at eBay . This evidence was regarded as puzzling and an anomaly for an extended period: How could sniping be consistent with rational behaviour in second-price auctions, where theory predicts that bids’ timing plays no role and there is no incentive to bid less than one’s private value. An essential contribution to this puzzling issue has been the insight by Bose and Daripa (2017) that late bidding is itself a response to the shilling. Their paper explains well late bidding for repeating auctions. However, late bidding …
Mean Field Linear Quadratic Games with Set Up Costs
2013
This paper studies linear quadratic games with set up costs monotonic on the number of active players, namely, players whose action is non-null. Such games arise naturally in joint replenishment inventory systems. Building upon a preliminary analysis of the properties of the best response strategies and Nash equilibria for the given game, the main contribution is the study of the same game under large population. We also analyze the influence of an additional disturbance in the spirit of the literature on H∞ control. Numerical illustrations are provided. © 2012 Springer Science+Business Media New York.
Integrated treatment of first episode psychosis with online training (e-learning): study protocol for a randomised controlled trial
2014
Background: The integrated treatment of first episode psychosis has been shown to improve functionality and negative symptoms in previous studies. In this paper, we describe a study of integrated treatment (individual psychoeducation complementary to pharmacotherapy) versus treatment as usual, comparing results at baseline with those at 6-month re-assessment (at the end of the study) for these patients, and online training of professionals to provide this complementary treatment, with the following objectives: 1) to compare the efficacy of individual psychoeducation as add-on treatment versus treatment as usual in improving psychotic and mood symptoms; 2) to compare adherence to medication,…
The working alliance in a randomized controlled trial comparing Internet-based self-help and face-to-face cognitive behavior therapy for chronic tinn…
2014
Objective This study (ID: NCT01205906) compared the impact of the working alliance between the therapist and the client on treatment outcome in a group and an Internet-based cognitive behavior therapy (GCBT vs. ICBT) for chronic tinnitus. Methods The Working Alliance Inventory — Short Revised (WAI-SR, scale range: 1–5) was administered to 26 GCBT and 38 ICBT participants after treatment weeks 2, 5, and 9, and the Tinnitus Handicap Inventory (THI) before and after the treatment. Results High alliance ratings were found in both ICBT (WAI-SR total scores at week 9: M = 3.59, SD = 0.72) and GCBT (WAI-SR total scores at week 9: M = 4.20, SD = 0.49), but significantly higher ratings occurred in G…
Tiny ML: La nueva revolución en la IoT
2021
A diferencia de la inteligencia artificial o la computación cuántica, hay otra revolución tecnológica que ha aparecido de una forma muy sutil y por la puerta de atrás. Hoy a nadie se le pasa que todo está conectado mediante una serie de sensores que pueden recoger cualquier tipo de actividad sea humana, industrial económica o social. Todo este mundo interconectado se conoce como Internet de las Cosas. En paralelo, crece el auge de los microcontroladores, los pequeños dispositivos electrónicos con precios muy bajos, diseñados para realizar una determinada tarea, o programa, dentro de un dispositivo, como sistemas embebidos o empotrados, ya que están integrados en los dispositivos que control…