X. Ji

Publications521
h-index41
Citations6,870
Highly Influential Citations315
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  • Publications
  • Influence
Sensor positioning in wireless ad-hoc sensor networks using multidimensional scaling
  • X. Ji
  • Computer Science
  • IEEE INFOCOM
  • 7 March 2004
TLDR
A distributed sensor positioning method based on multidimensional scaling is proposed to get the accurate position estimation and reduce error cumulation. Expand
  • 633
  • 45
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Dynamic cluster structure for object detection and tracking in wireless ad-hoc sensor networks
TLDR
We propose a dynamic cluster structure to track the movement of boundaries and facilitate the fusion and dissemination of boundary information in a sensor network. Expand
  • 113
  • 20
Document clustering with prior knowledge
  • X. Ji, W. Xu
  • Computer Science
  • SIGIR '06
  • 6 August 2006
TLDR
We propose to incorporate prior knowledge of cluster membership for document cluster analysis and develop a novel semi-supervised document clustering model. Expand
  • 155
  • 17
Domain-independent text segmentation using anisotropic diffusion and dynamic programming
TLDR
This paper presents a novel domain-independent text segmentation method, which identifies the boundaries of topic changes in long text documents and/or text streams by segmenting text in variable numbers of sentence topical groups. Expand
  • 69
  • 10
  • PDF
Twitter sentiment classification for measuring public health concerns
TLDR
An important task of public health officials is to keep track of health issues, such as spreading epidemics. Expand
  • 68
  • 8
  • PDF
The effects of incubation thermal environments on size, locomotor performance and early growth of hatchling soft-shelled turtles, Pelodiscus sinensis
We incubated eggs of the soft-shell turtle (Pelodiscus sinensis) at constant (ranging from 23 � Ct o 34 � C) and fluctuating temperatures (varying from 22.3 � C to 32.8 � C) to assess influence of… Expand
  • 115
  • 8
The thermal dependence of food assimilation and locomotor performance in southern grass lizards, Takydromus sexlineatus (Lacertidae)
Abstract We collected southern grass lizards, Takydromus sexlineatus , from a population in Shaoguan (Guangdong, southern China), and used adult males and non-reproductive females to study the… Expand
  • 58
  • 8
Identifying sources of variation in reproductive and life-history traits among five populations of a Chinese lizard (Takydromus septentrionalis, Lacertidae)
Research on life-history traits of squamate reptiles has focused on North American species, while Asian taxa have been virtually ignored. In order to understand general patterns in reptile life… Expand
  • 72
  • 8
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Splice site prediction using support vector machines with a Bayes kernel
TLDR
In this paper, we present a new machine learning method for predicting DNA splice sites, which first applies a Bayes feature mapping (kernel) to project the data into a new feature space and then uses a linear Support Vector Machine (SVM) as a classifier to recognize the true splICE sites. Expand
  • 54
  • 7
Multi-labelled classification using maximum entropy method
TLDR
In this paper, we explore correlations among categories with maximum entropy method and derive a classification algorithm for multi-labelled documents. Expand
  • 207
  • 6
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