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KDD
2005
ACM
194views Data Mining» more  KDD 2005»
14 years 10 months ago
Web object indexing using domain knowledge
Web object is defined to represent any meaningful object embedded in web pages (e.g. images, music) or pointed to by hyperlinks (e.g. downloadable files). Users usually search for...
Muyuan Wang, Zhiwei Li, Lie Lu, Wei-Ying Ma, Naiya...
IPSN
2007
Springer
14 years 4 months ago
Hierarchical spatial gossip for multi-resolution representations in sensor networks
In this paper we propose a lightweight algorithm for constructing multi-resolution data representations for sensor networks. We compute, at each sensor node u, O(log n) aggregates...
Rik Sarkar, Xianjin Zhu, Jie Gao
DAGSTUHL
2001
13 years 11 months ago
An Overview of the GXL Graph Exchange Language
GXL (Graph eXchange Language) is designed to be a standard exchange format for graph-based tools. GXL is defined as an XML sublanguage, which offers support for exchanging instanc...
Andreas Winter, Bernt Kullbach, Volker Riediger
DKE
2008
79views more  DKE 2008»
13 years 10 months ago
Extracting k most important groups from data efficiently
We study an important data analysis operator, which extracts the k most important groups from data (i.e., the k groups with the highest aggregate values). In a data warehousing co...
Man Lung Yiu, Nikos Mamoulis, Vagelis Hristidis
PVLDB
2008
126views more  PVLDB 2008»
13 years 9 months ago
Dwarfs in the rearview mirror: how big are they really?
Online-Analytical Processing (OLAP) has been a field of competing technologies for the past ten years. One of the still unsolved challenges of OLAP is how to provide quick respons...
Jens Dittrich, Lukas Blunschi, Marcos Antonio Vaz ...