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Integrating Web Usage and Content Mining for More Effective Personalization
We present a general framework for usage-based Web personalization, distinguishing between the offine tasks of data preparation and mining, and the online process of customizing Web pages based on a user's active session. Expand
Discovery of Aggregate Usage Profiles for Web Personalization
We present and experimentally evaluate two techniques, based on clustering of user transactions and pageviews, in order to discover overlapping aggregate profiles that can be effectively used by recommender systems for real-time personalization. Expand
Fabrication and characterization of hydrophilic corn stalk biochar-supported nanoscale zero-valent iron composites for efficient metal removal.
- F. Yang, S. Zhang, Y. Sun, K. Cheng, Jiang-shan Li, Daniel C W Tsang
- Materials Science, Medicine
- Bioresource technology
- 1 October 2018
Pyrolyzing low-cost agro-waste into biochar is a promising means for waste biomass utilization. This study engineers corn stalk-derived biochar with abundant hydrophilic functional groups as a… Expand
Robust dynamic positioning of ships with disturbances under input saturation
In the presence of unknown time-varying disturbances and input saturation, this paper develops a robust nonlinear control law for the dynamic positioning (DP) system of ships using a disturbance observer, an auxiliary dynamic system, and the dynamic surface control technique. Expand
Safety and accuracy of robot-assisted versus fluoroscopy-assisted pedicle screw insertion in thoracolumbar spinal surgery: a prospective randomized controlled trial.
OBJECTIVEThe object of this study was to compare the safety and accuracy of pedicle screw placement using the TiRobot system versus conventional fluoroscopy in thoracolumbar spinal… Expand
Differential Privacy for Collaborative Filtering Recommender Algorithm
In this paper, we solve the privacy problem in recommender system in a different way by applying the differential privacy method into the procedure of recommendation. Expand
Environmental transformations and ecological effects of iron-based nanoparticles.
The increasing application of iron-based nanoparticles (NPs), especially high concentrations of zero-valent iron nanoparticles (nZVI), has raised concerns regarding their environmental behavior and… Expand
Chromium immobilization by extra- and intraradical fungal structures of arbuscular mycorrhizal symbioses.
- Songlin Wu, X. Zhang, +10 authors Baodong Chen
- Biology, Medicine
- Journal of hazardous materials
- 5 October 2016
Arbuscular mycorrhizal (AM) fungi can enhance plant Cr tolerance through immobilizing Cr in mycorrhizal roots. However, the detailed processes and mechanisms are unclear. The present study focused on… Expand
Treatment of metastatic spinal tumors by percutaneous vertebroplasty versus percutaneous vertebroplasty combined with interstitial implantation of 125I seeds
Background: As the most frequent bone metastasis, spinal metastases cause severe pain and damage to vertebral bodies such as spinal osteolytic destruction and compression fractures. To avoid the… Expand
Robot-Assisted Versus Fluoroscopy-Assisted Cortical Bone Trajectory Screw Instrumentation in Lumbar Spinal Surgery: A Matched-Cohort Comparison.
OBJECTIVE The aim of the present study was to compare the accuracy and safety of TiRobot system-assisted with those of fluoroscopy-assisted cortical bone trajectory screw placement in lumbar spinal… Expand