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- Mahbod Tavallaee, Ebrahim Bagheri, Wei Lu, Ali A. Ghorbani
- 2009 IEEE Symposium on Computational Intelligenceâ€¦
- 2009

During the last decade, anomaly detection has attracted the attention of many researchers to overcome the weakness of signature-based IDSs in detecting novel attacks, and KDDCUP'99 is the mostlyâ€¦ (More)

- Namrata Vaswani, Wei Lu
- IEEE Transactions on Signal Processing
- 2009

We study the problem of reconstructing a sparse signal from a limited number of its linear projections when a part of its support is known, although the known part may contain some errors. Theâ€¦ (More)

- Wei Lu, Jagath C. Rajapakse
- IEEE Transactions on Neural Networks
- 2005

This work presents the technique of constrained independent component analysis (cICA) and demonstrates two applications, less-complete ICA, and ICA with reference (ICA-R). The cICA is proposed as aâ€¦ (More)

- Amit Goyal, Wei Lu, Laks V. S. Lakshmanan
- 2011 IEEE 11th International Conference on Dataâ€¦
- 2011

There is significant current interest in the problem of influence maximization: given a directed social network with influence weights on edges and a number k, find k seed nodes such that activatingâ€¦ (More)

- Amit Goyal, Wei Lu, Laks V. S. Lakshmanan
- WWW
- 2011

Kempe et al. [4] (KKT) showed the problem of influence maximization is <b>NP</b>-hard and a simple greedy algorithm guarantees the best possible approximation factor in PTIME. However, it has twoâ€¦ (More)

- Wei Lu, Yanyan Shen, Su Chen, Beng Chin Ooi
- PVLDB
- 2012

k nearest neighbor join (kNN join), designed to find k nearest neighbors from a dataset S for every object in another dataset R, is a primitive operation widely adopted by many data miningâ€¦ (More)

- Shaosheng Cao, Wei Lu, Qiongkai Xu
- CIKM
- 2015

In this paper, we present {GraRep}, a novel model for learning vertex representations of weighted graphs. This model learns low dimensional vectors to represent vertices appearing in a graph and,â€¦ (More)

- Wei Lu, Hwee Tou Ng, Wee Sun Lee, Luke S. Zettlemoyer
- EMNLP
- 2008

In this paper, we present an algorithm for learning a generative model of natural language sentences together with their formal meaning representations with hierarchical structures. The model isâ€¦ (More)

- Wei Chen, Wei Lu, Ning Zhang
- AAAI
- 2012

Influence maximization is a problem of finding a small set of highly influential users in a social network such that the spread of influence under certain propagation models is maximized. In thisâ€¦ (More)

- Wei Lu, Jagath C. Rajapakse
- Neurocomputing
- 2006

We present the technique of the ICA with Reference (ICA-R) to extract an interesting subset of independent sources from their linear mixtures when some a priori information of the sources areâ€¦ (More)