Region-Level Approximate Computation Reuse for Power Reduction in Mu I ti media Applications* (2008)
Motivated by data value locality and quality tolerance present in multimedia applications, we propose a new micro-architecture, Region-level Approximate Computation Buffer (RACB), to reduce power...
Abstract State Causality Analysis of Conservative Parallel Network Simulation (2008)
Siming Lin, Xueqi Cheng, Jianming Lv
Critical path analysis is a traditional way to study the parallelism of conservative parallel simulation. In this paper, we propose a new technique called state causality analysis to accurately model...
Combining Language Model with Sentiment Analysis for Opinion Retrieval of Blog-Post (2008)
Xiangwen Liao, Donglin Cao, Songbo Tan, Yue Liu, Guodong Ding, Xueqi Cheng
This paper describes our participation in Blog Opinion Retrieval task this year. We conduct experiments on “FirteX ” platform that is developed by our lab. Language Model is used to retrieve...
Detect overlapping and hierarchical community structure in networks (2008)
Shen, Huawei, Cheng, Xueqi, Cai, Kai, Hu, Mao-Bin
Clustering and community structure is crucial for many network systems and the related dynamic processes. It has been shown that communities are usually overlapping and hierarchical. However,...
PSM: A new Re-ranking algorithm for Named-page (2008)
Jiafeng Guo, Lin Ding, Gang Zhang, Yue Liu, Xueqi Cheng
This year, the IR group of ICT participated in the terabyte track named-page Finding subtask for the first time. Since the document collection is as large as about 426G, our most important goal is to...
An Effective Approach to Enhance Centroid Classifier for Text Categorization (2008)
Abstract. Centroid Classifier has been shown to be a simple and yet effective method for text categorization. However, it is often plagued with model misfit (or inductive bias) incurred by its...
1 Overview TREC-2003 Novelty and Web Track at ICT (Draft) (2008)
Jian Sun, Wenfeng Pan, Huaping Zhang, Zhe Yang, Bin Wang, Gang Zhang, ...
In this paper, we will present our approaches and experiments on the following two tracks of TREC-2003: Novelty track and Web track. The novelty track can be treated as a binary classification...
TREC 2004 Web Track Experiments at CAS-ICT (2008)
Zhaotao Zhou, Yan Guo, Bin Wang, Xueqi Cheng, Hongbo Xu, Gang Zhang
Abstract: This report presents CAS-ICT’s experiments on the Mixed query task of the TREC2004 Web track. Our work focused on combining different Web page evidences together to improve the overall...
TREC-10 Experiments at CAS-ICT: Filtering, Web and QA (2008)
Bin Wang, Hongbo Xu, Zhifeng Yang, Yue Liu, Xueqi Cheng, Dongbo Bu, ...
CAS-ICT took part in the TREC conference for the first time this year. We have participated in three tracks of TREC-10. For adaptive filtering track, we paid more attention to feature selection and...
TREC-2003: Novelty track and Web track. (2008)
Jian Sun, Zhe Yang, Wenfeng Pan, Huaping Zhang, Bin Wang, Xueqi Cheng
In this paper, we will present our approaches and experiments on the following two tracks of
Data hiding in a kind of PDF texts for secret communication (2007)
Shangping Zhong, Xueqi Cheng, Tierui Chen
In this paper, we present a novel steganographic technique for hiding data in a kind of PDF texts. We first point out the secret channels in a kind of PDF English texts, which are generated from...
A novel refinement approach for text categorization (2005)
Songbo Tan, Xueqi Cheng, Moustafa M. Ghanem, Bin Wang, Hongbo Xu
In this paper we present a novel strategy, DragPushing, for improving the performance of text classifiers. The strategy is generic and takes advantage of training errors to successively refine the...
TREC-11 experiments at CAS-ICT: Filtering and web (2002)
Hongbo Xu, Zhifeng Yang, Bin Wang, Bin Liu, Jun Cheng, Yue Liu, ...
TREC-11 experiments at CAS-ICT: Filtering and web (2002)
Hongbo Xu, Zhifeng Yang, Bin Wang, Bin Liu, Jun Cheng, Yue Liu, ...
CAS-ICT took part in the TREC conference for the second time this year and we undertook two tracks of TREC-11. For filtering track, we have submitted results of all three subtasks. In adaptive...