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DASFAA
2010
IEEE
193views Database» more  DASFAA 2010»
13 years 9 months ago
A Simple, Yet Effective and Efficient, Sliding Window Sampling Algorithm
Sampling streams of continuous data with limited memory, or reservoir sampling, is a utility algorithm. Standard reservoir sampling maintains a random sample of the entire stream a...
Xuesong Lu, Wee Hyong Tok, Chedy Raïssi, St&e...
DASFAA
2010
IEEE
220views Database» more  DASFAA 2010»
13 years 9 months ago
An Effective Object-Level XML Keyword Search
Keyword search is widely recognized as a convenient way to retrieve information from XML data. In order to precisely meet users' search concerns, we study how to effectively r...
Zhifeng Bao, Jiaheng Lu, Tok Wang Ling, Liang Xu, ...
DASFAA
2010
IEEE
169views Database» more  DASFAA 2010»
13 years 9 months ago
Fires on the Web: Towards Efficient Exploring Historical Web Graphs
Abstract. Discovery of evolving regions in large graphs is an important issue because it is the basis of many applications such as spam websites detection in the Web, community lif...
Zhenglu Yang, Jeffrey Xu Yu, Zheng Liu, Masaru Kit...
DASFAA
2010
IEEE
176views Database» more  DASFAA 2010»
13 years 11 months ago
Efficient Database-Driven Evaluation of Security Clearance for Federated Access Control of Dynamic XML Documents
Achieving data security over cooperating web services is becoming a reality, but existing XML access control architectures do not consider this federated service computing. In this...
Erwin Leonardi, Sourav S. Bhowmick, Mizuho Iwaihar...
DASFAA
2010
IEEE
225views Database» more  DASFAA 2010»
13 years 11 months ago
Mining Regular Patterns in Data Streams
Discovering interesting patterns from high-speed data streams is a challenging problem in data mining. Recently, the support metric-based frequent pattern mining from data stream h...
Syed Khairuzzaman Tanbeer, Chowdhury Farhan Ahmed,...
DASFAA
2010
IEEE
191views Database» more  DASFAA 2010»
13 years 11 months ago
Answering Top-k Similar Region Queries
Abstract. Advances in web technology have given rise to new information retrieval applications. In this paper, we present a model for geographical region search and call this class...
Chang Sheng, Yu Zheng, Wynne Hsu, Mong-Li Lee, Xin...
DASFAA
2010
IEEE
127views Database» more  DASFAA 2010»
13 years 11 months ago
PGP-mc: Towards a Multicore Parallel Approach for Mining Gradual Patterns
Gradual patterns highlight complex order correlations of the form “The more/less X, the more/less Y”. Only recently algorithms have appeared to mine efficiently gradual rules. ...
Anne Laurent, Benjamin Négrevergne, Nicolas...
DASFAA
2010
IEEE
176views Database» more  DASFAA 2010»
14 years 16 days ago
Benchmarking Publish/Subscribe-Based Messaging Systems
Abstract. Publish/subscribe-based messaging systems are used increasingly often as a communication mechanism in data-oriented web applications. Such applications often pose serious...
Kai Sachs, Stefan Appel, Samuel Kounev, Alejandro ...
DASFAA
2010
IEEE
307views Database» more  DASFAA 2010»
14 years 1 months ago
A General Maturity Model and Reference Architecture for SaaS Service
Abstract. In today's dynamic IT environment with increased global competition, enterprises must achieve greater business agility and decrease the TCO (Total Cost of Ownership)...
Seungseok Kang, Jaeseok Myung, Jongheum Yeon, Seon...
DASFAA
2010
IEEE
168views Database» more  DASFAA 2010»
14 years 1 months ago
A Large Scale Key-Value Store Based on Range-Key Skip Graph and Its Applications
An overlay network called Range-key Skip Graph (RKSG) has been proposed that can perform range-to-range search on peer-topeer network. In this paper, we propose a large scale key-v...
Susumu Takeuchi, Jun Shinomiya, Toru Shiraki, Yosh...