22 Result(s)
within
Computer Science
Algorithm Analysis and Problem Complexity
Data Mining and Knowledge Discovery
Database Management
Information Storage and Retrieval
Information Systems Applications (incl. Internet)
**u Tao
Chapter
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Chapter and Conference Paper
On Link Stability Detection for Online Social Networks
Link stability detection has been an important and long-standing problem within the link prediction domain. However, it has often been overlooked as being trivial and has not been adequately dealt with in link...
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Chapter and Conference Paper
Detect Redundant RDF Data by Rules
The development and standardization of semantic web technologies have resulted in an unprecedented volume of RDF datasets being published on the Web. However, data quality exists in most of the information sys...
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Chapter and Conference Paper
Robust Optimization for Clustering
In this paper, we investigate the robust optimization for the minimum sum-of squares clustering (MSSC) problem. Each data point is assumed to belong to a box-type uncertainty set. Following the robust optimiza...
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Chapter and Conference Paper
An In-Depth Study of Implicit Search Result Diversification
In this paper, we present a novel Integer Linear Programming formulation (termed ILP4ID) for implicit search result diversification (SRD). The advantage is that the exact solution can be achieved, which enables u...
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Chapter and Conference Paper
Market-Driven Optimal Task Assignment in Spatial Crowdsouring
With the popularity of mobile devices and Online To Offline (O2O) marketing model, various spatial crowdsourcing platforms, such as Gigwalk, WeGoLook, TaskRabbit and gMission, are getting popular. An important...
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Chapter and Conference Paper
Stable Matching in Structured Networks
Stable matching studies how to pair members of two sets with the objective to achieve a matching that satisfies all participating agents based on their preferences. In this research, we consider the case of ma...
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Chapter and Conference Paper
A Collaborative Filtering Model for Personalized Retweeting Prediction
As the development of social media, the services in social media have significantly changed people’s habits of using Internet. However, as the large amount of information posted by users and the highly frequen...
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Chapter and Conference Paper
SVIS: Large Scale Video Data Ingestion into Big Data Platform
Utilizing big data processing platform to analyze and extract insights from unstructured video streams becomes emerging trend in video surveillance area. As the first step, how to efficiently ingest video sour...
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Chapter and Conference Paper
Integrating Opinion Leader and User Preference for Recommendation
Collaborative filtering (CF) is one of the most well-known and commonly used technology for recommender systems. However, it suffers from inherent issues such as data sparsity. Many works have been done by use...
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Chapter and Conference Paper
Entity Relation Mining in Large-Scale Data
Currently, the web-based Named-Entity relationship extraction has been a new research field with a tremendous potential. The goal of web-based entity relationship extraction is to explore the relationship betw...
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Chapter and Conference Paper
Development and Challenges of Crowdsourcing Quality of Experience Evaluation for Multimedia
Crowdsourcing quality of experience (QoE) evaluation for multimedia are more cost effective and flexible than traditional in-lab evaluations, and it has gradually caused extensive concern. In this paper, we st...
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Chapter and Conference Paper
Towards Order-Preserving SubMatrix Search and Indexing
Order-Preserving SubMatrix (OPSM) has been proved to be important in modelling biologically meaningful subspace cluster, capturing the general tendency of gene expressions across a subset of co...
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Chapter and Conference Paper
DC Programming and DCA for Portfolio Optimization with Linear and Fixed Transaction Costs
In this work, a single-period portfolio selection problem which consists of minimizing the total transaction cost subject to different types of constraints on feasible portfolios was considered. The total tran...
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Chapter and Conference Paper
Data Interpolating over RFID Data Streams for Missed Readings
While tracing objects or analyzing human activities with RFID data sets, the quality of RFID data is a crucial aspect. The raw RFID data streams, however, tend to be noisy, including missed readings and unreli...
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Chapter and Conference Paper
Exemplars-Constraints for Semi-supervised Clustering
Semi-supervised clustering aims at incorporating the known prior knowledge into the clustering process to achieve better performance. Recently, semi-supervised clustering with pairwise constraints has emerged ...
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Chapter and Conference Paper
Cross-Modal Information Retrieval – A Case Study on Chinese Wikipedia
Probability models have been used in cross-modal multimedia information retrieval recently by building conjunctive models bridging the text and image components. Previous studies have shown that cross-modal in...
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Chapter and Conference Paper
Combining Spatial Cloaking and Dummy Generation for Location Privacy Preserving
Location privacy preserving is attracting more and more attentions with the wide use of accurate positioning devices. Two kinds of methods based on k-anonymity have been proposed for location privacy preserving. ...
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Chapter and Conference Paper
Personalized Diversity Search Based on User’s Social Relationships
Keyword-based web search is nowadays the most popular and convenient means for people to access information, whereas traditional search methods usually disappoint people with inaccurate, insufficient or redund...
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Chapter and Conference Paper
Inducing Taxonomy from Tags: An Agglomerative Hierarchical Clustering Framework
By amassing ‘wisdom of the crowd’, social tagging systems draw more and more academic attention in interpreting Internet folk knowledge. In order to uncover their hidden semantics, several researches have atte...
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Chapter and Conference Paper
Reliability-Based Route Optimization of a Transportation Network with Random Arc Capacities and Time Threshold
The classical route optimization problem of a network focuses on the shortest or fastest route mainly under the assumption that all roads will not fail. In fact, the capacities of roads in a transportation net...
