activity
20122021
most citedImpacts of Dirty Data: and Experimental Evaluation

10 citations · 38 across the 37 of their papers we have counts for

collaborators

37 papers

cs.CC2021

Sublinear-time Reductions for Big Data Computing

Xiangyu Gao, Jianzhong Li, Dongjing Miao

With the rapid popularization of big data, the dichotomy between tractable and intractable problems in big data computing has been shifted. Sublinear time, rather than polynomial t…

cs.LG2021

Rank-Regret Minimization

Xingxing Xiao, Jianzhong Li

Multi-criteria decision-making often requires finding a small representative set from the database. A recently proposed method is the regret minimization set (RMS) query. RMS retur…

cs.CC2021

The PCP-like Theorem for Sub-linear Time Inapproximability

Hengzhao Ma, Jianzhong Li

In this paper we propose the PCP-like theorem for sub-linear time inapproximability. Abboud et al. have devised the distributed PCP framework for proving sub-quadratic time inappro…

cs.DB2021

Sublinear Time Nearest Neighbor Search over Generalized Weighted Manhattan Distance

Huan Hu, Jianzhong Li

Nearest Neighbor Search (NNS) over generalized weighted distances is fundamental to a wide range of applications. The problem of NNS over the generalized weighted square Euclidean…

cs.DB2020

Efficient Approximate Nearest Neighbor Search for Multiple Weighted Distance Functions

Huan Hu, Jianzhong Li

Nearest neighbor search is fundamental to a wide range of applications. Since the exact nearest neighbor search suffers from the "curse of dimensionality", approximate approaches,…

cs.CC2020

PCP Theorems, SETH and More: Towards Proving Sub-linear Time Inapproximability

Hengzhao Ma, Jianzhong Li

In this paper we propose the PCP-like theorem for sub-linear time inapproximability. Abboud et al. have devised the distributed PCP framework for sub-quadratic time inapproximabili…

cs.DS2020

Dynamic Approximate Maximum Independent Set on Massive Graphs

Xiangyu Gao, Jianzhong Li, Dongjing Miao

Computing a maximum independent set (MaxIS) is a fundamental NP-hard problem in graph theory, which has important applications in a wide spectrum of fields. Since graphs in many ap…

cs.CG2020★ 1 cited

A Sub-linear Time Algorithm for Approximating k-Nearest-Neighbor with Full Quality Guarantee

Hengzhao Ma, Jianzhong Li

In this paper we propose an algorithm for the approximate k-Nearest-Neighbors problem. According to the existing researches, there are two kinds of approximation criterion. One is…

cs.DB2020

Sampling Based Approximate Skyline Calculation on Big Data

Xingxing Xiao, Jianzhong Li

The existing algorithms for processing skyline queries cannot adapt to big data. This paper proposes two approximate skyline algorithms based on sampling. The first algorithm obtai…

cs.DB2020

Efficient Trajectory Compression and Range Query Processing

Hongbo Yin, Hong Gao, Binghao Wang +2

Nowadays, there are ubiquitousness of GPS sensors in various devices collecting, transmitting and storing tremendous trajectory data. However, such an unprecedented scale of GPS da…

cs.DB2020★ 1 cited

Complexity and Efficient Algorithms for Data Inconsistency Evaluating and Repairing

Dongjing Miao, Zhipeng Cai, Jianzhong Li +2

Data inconsistency evaluating and repairing are major concerns in data quality management. As the basic computing task, optimal subset repair is not only applied for cost estimatio…

cs.AI2019★ 1 cited

Auto-Model: Utilizing Research Papers and HPO Techniques to Deal with the CASH problem

Chunnan Wang, Hongzhi Wang, Tianyu Mu +2

In many fields, a mass of algorithms with completely different hyperparameters have been developed to address the same type of problems. Choosing the algorithm and hyperparameter s…

cs.CC2019★ 1 cited

Recognizing the Tractability in Big Data Computing

Xiangyu Gao, Jianzhong Li, Dongjing Miao +1

Due to the limitation on computational power of existing computers, the polynomial time does not works for identifying the tractable problems in big data computing. This paper adop…

stat.ML2019★ 5 cited

Autoregressive-Model-Based Methods for Online Time Series Prediction with Missing Values: an Experimental Evaluation

Xi Chen, Hongzhi Wang, Yanjie Wei +2

Time series prediction with missing values is an important problem of time series analysis since complete data is usually hard to obtain in many real-world applications. To model t…

cs.CG2019★ 2 cited

A True Algorithm for the All-k-Nearest-Neighbors Problem

Hengzhao Ma, Jianzhong Li

In this paper we examined an algorithm for the All-k-Nearest-Neighbor problem proposed in 1980s, which was claimed to have an upper bound on the running time. We find…

cs.DB2019★ 1 cited

Regular Expression Matching on billion-nodes Graphs

Hongzhi Wang, Jiabao Han, Bin Shao +1

In many applications, it is necessary to retrieve pairs of vertices with the path between them satisfying certain constraints, since regular expression is a powerful tool to descri…

cs.DS2018★ 5 cited

An Algorithm for Reducing Approximate Nearest Neighbor to Approximate Near Neighbor with O(logn) Query Time

Hengzhao Ma, Jianzhong Li

This paper proposes a new algorithm for reducing Approximate Nearest Neighbor problem to Approximate Near Neighbor problem. The advantage of this algorithm is that it achieves O(lo…

cs.DB2018★ 1 cited

On the Fairness of Quality-based Data Markets

Dan Zhang, Hongzhi Wang, Xiaoou Ding +3

For data pricing, data quality is a factor that must be considered. To keep the fairness of data market from the aspect of data quality, we proposed a fair data market that conside…

cs.DB2018

Mining CFD Rules on Big Data

Hongzhi Wang, Mingda Li, Jiawei Zhao +2

Current conditional functional dependencies (CFDs) discovery algorithms always need a well-prepared training data set. This makes them difficult to be applied on large datasets whi…

cs.DB2018★ 1 cited

Schema Integration on Massive Data Sources

Tianbao Lia, Hongzhi Wang, Jianzhong Li +1

As the fundamental phrase of collecting and analyzing data, data integration is used in many applications, such as data cleaning, bioinformatics and pattern recognition. In big dat…

cs.DB2018

Diversification on Big Data in Query Processing

Meifan Zhang, Hongzhi Wang, Jianzhong Li +1

Recently, in the area of big data, some popular applications such as web search engines and recommendation systems, face the problem to diversify results during query processing. I…

cs.DB2018★ 1 cited

Improve3C: Data Cleaning on Consistency and Completeness with Currency

Xiaoou Ding, Hongzhi Wang, Jiaxuan Su +2

Data quality plays a key role in big data management today. With the explosive growth of data from a variety of sources, the quality of data is faced with multiple problems. Motiva…

cs.DB2018

MISS: Finding Optimal Sample Sizes for Approximate Analytics

Xuebin Su, Hongzhi Wang, Jianzhong Li +1

Nowadays, sampling-based Approximate Query Processing (AQP) is widely regarded as a promising way to achieve interactivity in big data analytics. To build such an AQP system, findi…

cs.SI2018★ 2 cited

QuickIM: Efficient, Accurate and Robust Influence Maximization Algorithm on Billion-Scale Networks

Rong Zhu, Zhaonian Zou, Yue Han +2

The Influence Maximization (IM) problem aims at finding k seed vertices in a network, starting from which influence can be spread in the network to the maximum extent. In this pape…