Results 61 to 70 of about 5,239,056 (367)

Inferring Semantic Relations by User Feedback [PDF]

open access: yes, 2014
In the last ten years, ontology-based recommender systems have been shown to be effective tools for predicting user preferences and suggesting items. There are however some issues associated with the ontologies adopted by these approaches, such as: 1) their crafting is not a cheap process, being time consuming and calling for specialist expertise; 2 ...
Osborne, Francesco, Motta, Enrico
openaire   +2 more sources

Video information retrieval using objects and ostensive relevance feedback [PDF]

open access: yes, 2004
In this paper, we present a brief overview of current approaches to video information retrieval (IR) and we highlight its limitations and drawbacks in terms of satisfying user needs.
Browne, Paul
core   +1 more source

Users’ design feedback in usability evaluation: a literature review

open access: yesHuman-Centric Computing and Information Sciences, 2017
As part of usability evaluation, users may be invited to offer their reflections on the system being evaluated. Such reflections may concern the system’s suitability for its context of use, usability problem predictions, and design suggestions.
Asbjørn Følstad
semanticscholar   +1 more source

Recommendations with Negative Feedback via Pairwise Deep Reinforcement Learning [PDF]

open access: yesKnowledge Discovery and Data Mining, 2018
Recommender systems play a crucial role in mitigating the problem of information overload by suggesting users' personalized items or services. The vast majority of traditional recommender systems consider the recommendation procedure as a static process ...
Xiangyu Zhao   +5 more
semanticscholar   +1 more source

Distributed Deep Convolutional Compression for Massive MIMO CSI Feedback [PDF]

open access: yesIEEE Transactions on Wireless Communications, 2020
Massive multiple-input multiple-output (MIMO) systems require downlink channel state information (CSI) at the base station (BS) to achieve spatial diversity and multiplexing gains. In a frequency division duplex (FDD) multiuser massive MIMO network, each
Mahdi Boloursaz Mashhadi   +2 more
semanticscholar   +1 more source

The MedSupport Multilevel Intervention to Enhance Support for Pediatric Medication Adherence: Development and Feasibility Testing

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction We developed MedSupport, a multilevel medication adherence intervention designed to address root barriers to medication adherence. This study sought to explore the feasibility and acceptability of the MedSupport intervention strategies to support a future full‐scale randomized controlled trial.
Elizabeth G. Bouchard   +8 more
wiley   +1 more source

Changes in Body Composition in Children and Young People Undergoing Treatment for Acute Lymphoblastic Leukemia: A Systematic Review and Meta‐Analysis

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Ongoing evidence indicates increased risk of sarcopenic obesity among children and young people (CYP) with acute lymphoblastic leukemia (ALL), often beginning early in treatment, persisting into survivorship. This review evaluates current literature on body composition in CYP with ALL during and after treatment.
Lina A. Zahed   +5 more
wiley   +1 more source

Reducing Risky Security Behaviours: Utilising Affective Feedback to Educate Users

open access: yesFuture Internet, 2014
Despite the number of tools created to help end-users reduce risky security behaviours, users are still falling victim to online attacks. This paper proposes a browser extension utilising affective feedback to provide warnings on detection of risky ...
Lynsay A. Shepherd   +2 more
doaj   +1 more source

MSE minimized joint transmission in coordinated multipoint systems with sparse feedback and constrained backhaul requirements

open access: yesEURASIP Journal on Wireless Communications and Networking, 2021
In a joint transmission coordinated multipoint (JT-CoMP) system, a shared spectrum is utilized by all neighbor cells. In the downlink, a group of base stations (BSs) coordinately transmit the users’ data to avoid serious interference at the users in the ...
Mohammad Bagher Nezafati   +2 more
doaj   +1 more source

PROFEE: A Probabilistic-Feedback Based Speed Rate Adaption for IEEE 802.11bc

open access: yesFuture Internet, 2023
WiFi is a widely used wireless technology for data transmission. WiFi can also play a crucial role in simultaneously broadcasting content to multiple devices in multimedia transmission for venues such as classrooms, theaters, and stadiums, etc ...
Javier Gomez   +3 more
doaj   +1 more source

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