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SIGMOD
2003
ACM
136views Database» more  SIGMOD 2003»
16 years 4 months ago
A Characterization of the Sensitivity of Query Optimization to Storage Access Cost Parameters
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
Frederick Reiss, Tapas Kanungo
127
Voted
CHI
2010
ACM
15 years 11 months ago
Bringing the field into focus: user-centered design of a patient expertise locator
Managing personal aspects of health is challenging for many patients, particularly those facing a serious condition such as cancer. Finding experienced patients, who can share the...
Andrea Civan-Hartzler, David W. McDonald, Chris Po...

Tutorial
2179views
17 years 4 months ago
Privacy in Location-Based Services: State-of-the-Art and Research Directions
The explosive growth of location-detection devices (e.g., GPS-like devices and handheld devices) along with wireless communications and mobile databases results in realizing locati...
Mohamed F. Mokbel
KDD
2009
ACM
227views Data Mining» more  KDD 2009»
16 years 4 months ago
User grouping behavior in online forums
Online forums represent one type of social media that is particularly rich for studying human behavior in information seeking and diffusing. The way users join communities is a re...
Xiaolin Shi, Jun Zhu, Rui Cai, Lei Zhang
SIGIR
2009
ACM
15 years 10 months ago
Learning to recommend with social trust ensemble
As an indispensable technique in the field of Information Filtering, Recommender System has been well studied and developed both in academia and in industry recently. However, mo...
Hao Ma, Irwin King, Michael R. Lyu