Results 41 to 50 of about 12,315 (186)

Comparison of the Prediction Effect of the Garch-x Model on Sse 50 Volatility Based on the Baidu and Douyin Search Indices [PDF]

open access: yesSHS Web of Conferences
With the rapid development of financial markets and the advancement of information technology, the application value of alternative data in economic research has become increasingly prominent.
Chen Hongjin, Liu Ruiyu, Wu Zhuoxin
doaj   +1 more source

Recruitment Market Trend Analysis with Sequential Latent Variable Models

open access: yes, 2017
Recruitment market analysis provides valuable understanding of industry-specific economic growth and plays an important role for both employers and job seekers. With the rapid development of online recruitment services, massive recruitment data have been
Chang J.   +5 more
core   +1 more source

The impact of air quality on its Baidu index: grey model analysis [PDF]

open access: yes, 2021
Abstract To investigate the relationship between air quality and its Baidu index, we collect the annual Baidu index of air pollution hazards, causes and responses. Grey correlation analysis, particle swarm optimization and grey multivariate convolution model are used to simulate and forecast the comprehensive air quality index. The result shows
Leping Tu, Yan Chen
openaire   +1 more source

Temporal and Spatial Analysis of Negative Emotions in China during the COVID-19 Pandemic

open access: yesBehavioral Sciences
This research aims to explore the spatiotemporal distribution patterns of negative emotions in mainland China during different stages of the COVID-19 pandemic and the external factors influencing this clustering.
Yating Ding, Lin Wu, Zijian Peng, Bo Liu
doaj   +1 more source

A Simple Baseline for Travel Time Estimation using Large-Scale Trip Data

open access: yes, 2015
The increased availability of large-scale trajectory data around the world provides rich information for the study of urban dynamics. For example, New York City Taxi Limousine Commission regularly releases source-destination information about trips in ...
Kifer, Dan   +3 more
core   +1 more source

The Effects of Online Health Information–Seeking Behavior on Sexually Transmitted Disease in China: Infodemiology Study of the Internet Search Queries

open access: yesJournal of Medical Internet Research, 2023
BackgroundSexually transmitted diseases (STDs) are a serious issue worldwide. With the popularity of the internet, online health information-seeking behavior (OHISB) has been widely adopted to improve health and prevent disease.
Xuan Li, Kun Tang
doaj   +1 more source

Spatiotemporal Characteristics and Influential Factors of Electronic Cigarette Web-Based Attention in Mainland China: Time Series Observational Study

open access: yesJournal of Medical Internet Research
BackgroundThe popularity of electronic cigarettes (e-cigarettes) has steadily increased, prompting a considerable number of individuals to search for relevant information on them.
Zhongmin Zhang   +4 more
doaj   +1 more source

Automatically Defining Protein Words for Diverse Functional Predictions Based on Attention Analysis of a Protein Language Model

open access: yesAdvanced Science, EarlyView.
Understanding protein sequence–function relationships remains challenging due to poorly defined motifs and limited residue‐level annotations. An annotation‐agnostic framework is introduced that segments protein sequences into “protein words” using attention patterns from protein language models.
Hedi Chen   +9 more
wiley   +1 more source

Technological competitiveness of China's internet platformers: comparison of Google and Baidu by using patent text information [PDF]

open access: yesAsia Pacific Journal of Innovation and Entrepreneurship
Purpose – This study aims to assess the technological capability of Chinese internet platforms (BAT: Baidu, Alibaba, Tencent) compared to US ones (GAFA: Google, Amazon, Facebook, Apple).
Kazuyuki Motohashi, Chen Zhu
doaj   +1 more source

Population Density-based Hospital Recommendation with Mobile LBS Big Data

open access: yes, 2017
The difficulty of getting medical treatment is one of major livelihood issues in China. Since patients lack prior knowledge about the spatial distribution and the capacity of hospitals, some hospitals have abnormally high or sporadic population densities.
Cao, Yuan   +5 more
core   +1 more source

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