To address rating sparsity problem, various review-based recommender systems have been developed in recent years.Most of them extract topics, opinions, and emotional polarity from the reviews by using the Collections techniques of text analysis and opinion mining.According to existing researches, review-based recommendation methods utilize review e

Differential synthetic aperture radar interferometry (DInSAR) High Density Roll is a remote sensing technique to monitor ground deformation using repeat-pass data and suitable processing methods.Different platforms have been used to acquire DInSAR data such as space-borne, air-borne, car-mounted, and ground-based SAR systems.Space-borne SAR systems

The quality and the extent of intra-abdominal visualization are critical to a laparoscopic procedure.Currently, a single laparoscope is inserted into one of the laparoscopic ports to provide intra-abdominal visualization.The extent of this field of view (FoV) is rather restricted and may limit efficiency and the range of operations.Here we report a