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Guest Editorial: Special Issue on Human-Centered Web Science
Springer Science and Business Media LLC - Tập 13 - Trang 1-2 - 2010
Ernesto Damiani, Miltiadis Lytras, Philippe Cudre-Mauroux
An empirical study of pre-trained language models in simple knowledge graph question answering
Springer Science and Business Media LLC - Tập 26 - Trang 2855-2886 - 2023
Nan Hu, Yike Wu, Guilin Qi, Dehai Min, Jiaoyan Chen, Jeff Z Pan, Zafar Ali
Large-scale pre-trained language models (PLMs) such as BERT have recently achieved great success and become a milestone in natural language processing (NLP). It is now the consensus of the NLP community to adopt PLMs as the backbone for downstream tasks. In recent works on knowledge graph question answering (KGQA), BERT or its variants have become necessary in their KGQA models. However, there is ...... hiện toàn bộ
Why does batch normalization induce the model vulnerability on adversarial images?
Springer Science and Business Media LLC - Tập 26 - Trang 1073-1091 - 2022
Fei Kong, Fangqi Liu, Kaidi Xu, Xiaoshuang Shi
Batch normalization is one of the most widely used components in deep neural networks. It can accelerate training, and boost model performance on normal samples. However, batch normalization induces vulnerability to models on adversarial examples, especially in medical images, and the reason is still not clear. In this paper, we aim to explain the vulnerability aroused by batch normalization under...... hiện toàn bộ
From constrained to unconstrained datasets: an evaluation of local action descriptors and fusion strategies for interaction recognition
Springer Science and Business Media LLC - Tập 19 - Trang 265-276 - 2015
Chenqiang Gao, Luyu Yang, Yinhe Du, Zeming Feng, Jiang Liu
As an important task in computer vision, the interaction recognition has attracted extensive attention due to its widely potential applications. The existing methods mainly focus on the interaction recognition problem on constrained datasets with few variations of scenes, viewpoints, background clutter for the experimental purpose. The performance of the recently proposed methods on the available ...... hiện toàn bộ
Distributed Context Monitoring for the Adaptation of Continuous Services
Springer Science and Business Media LLC - Tập 10 - Trang 503-528 - 2007
Claudio Bettini, Dario Maggiorini, Daniele Riboni
This paper describes a middleware designed for distributed context acquisition and reconciliation intended to support the adaptation of continuous Internet services, like e.g., multimedia streaming. These services persist in time, and are characterized by multiple transmissions of data by the service provider, as a result of a single request from the user. Adapting these services to the current co...... hiện toàn bộ
Spatiotemporal contrastive modeling for video moment retrieval
Springer Science and Business Media LLC - Tập 26 - Trang 1525-1544 - 2022
Yi Wang, Kun Li, Guoliang Chen, Yan Zhang, Dan Guo, Meng Wang
With the rapid development of social networks, video data has been growing explosively. As one of the important social mediums, spatiotemporal characteristics of videos have attracted considerable attention in recommendation system and video understanding. In this paper, we discuss the video moment retrieval (VMR) task, which locates moments in a video based on different textual queries. Existing ...... hiện toàn bộ
The Effectiveness of Latent Semantic Analysis for Building Up a Bottom-up Taxonomy from Folksonomy Tags
Springer Science and Business Media LLC - Tập 12 - Trang 421-440 - 2009
Takeharu Eda, Masatoshi Yoshikawa, Toshio Uchiyama, Tadasu Uchiyama
In this paper, we evaluate the effectiveness of a semantic smoothing technique to organize folksonomy tags. Folksonomy tags have no explicit relations and vary because they form uncontrolled vocabulary. We discriminates so-called subjective tags like “cool” and “fun” from folksonomy tags without any extra knowledge other than folksonomy triples and use the level of tag generalization to form the o...... hiện toàn bộ
Deep adversarial metric learning for cross-modal retrieval
Springer Science and Business Media LLC - Tập 22 - Trang 657-672 - 2018
Xing Xu, Li He, Huimin Lu, Lianli Gao, Yanli Ji
Cross-modal retrieval has become a highlighted research topic, to provide flexible retrieval experience across multimedia data such as image, video, text and audio. The core of existing cross-modal retrieval approaches is to narrow down the gap between different modalities either by finding a maximally correlated embedding space. Recently, researchers leverage Deep Neural Network (DNN) to learn no...... hiện toàn bộ
A study of homophily on social media
Springer Science and Business Media LLC - Tập 15 - Trang 213-232 - 2011
Halil Bisgin, Nitin Agarwal, Xiaowei Xu
The fact that similarity breeds connections, the principle of homophily, has been well-studied in existing sociology literature. Several studies have observed this phenomenon by conducting surveys on human subjects. These studies have concluded that new ties are formed between similar individuals. This phenomenon has been used to explain several socio-psychological concepts such as, segregation, c...... hiện toàn bộ
Trustworthy service composition with secure data transmission in sensor networks
Springer Science and Business Media LLC - Tập 21 - Trang 185-200 - 2017
Tao Zhang, Lele Zheng, Yongzhi Wang, Yulong Shen, Ning Xi, Jianfeng Ma, Jianming Yong
As the basis of the Internet of Things (IoT), sensor networks have materialized its computation and communication capability into anything in our modern lives. Service composition provides us a promising way to cooperate various sensors to build more powerful IoT applications over sensor networks. However, the limited capability of sensor node poses great challenges not only to trustworthy service...... hiện toàn bộ
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