468 research outputs found
Overview of the 2019 open-source IR replicability challenge (OSIRRC 2019)
No full textThe Open-Source IR Replicability Challenge (OSIRRC 2019), organized as a workshop at SIGIR 2019, aims to improve the replicability of ad hoc retrieval experiments in information retrieval by gathering a community of researchers to jointly develop a common Docker specification and build Docker images that encapsulate a diversity of systems and retrieval models. We articulate the goals of this workshop and describe the "jig" that encodes the Docker specification. In total, 13 teams from around the world submitted 17 images, most of which were designed to produce retrieval runs for the TREC 2004 Robust Track test collection. This exercise demonstrates the feasibility of orchestrating large, community-based replication experiments with Docker technology. We envision OSIRRC becoming an ongoing community-wide effort to ensure experimental replicability and sustained progress on standard test collections.Web Information System
The SIGIR 2019 Open-Source IR Replicability Challenge (OSIRRC 2019)
No full textWeb Information System
Association Between Cemented vs Cementless Hemiarthroplasty and Short-Term Change of In-Hospital Mortality in Elderly Patients with Femoral Neck Fracture: A Propensity-Score Matching Analysis in a Multicenter Database
No full textTakahisa Ogawa,1 Toshitaka Yoshii,1 Atsushi Okawa,1 Kiyohide Fushimi,2 Tetsuya Jinno1,3 1Department of Orthopaedic and Spine Surgery, Tokyo Medical and Dental University Graduate School of Medicine, Tokyo, Japan; 2Department of Health Policy and Informatics, Tokyo Medical and Dental University Graduate School of Medicine, Tokyo, Japan; 3Department of Orthopaedic Surgery, Dokkyo Medical University, Saitama Medical Center, Saitama, JapanCorrespondence: Tetsuya JinnoDepartment of Orthopaedic Surgery, Dokkyo Medical University, Saitama Medical Center, 2-1-50 Minami-Koshigaya, Koshigaya, Saitama, 343-8555, JapanTel +81-48-965-1111Email [email protected] OgawaDepartment of Orthopaedic and Spine Surgery, Tokyo Medical and Dental University Graduate School of Medicine, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, JapanTel +81-3-3813-6111Email [email protected]: Cemented hemiarthroplasty is recommended for the vulnerable hip fracture population because of beneficial long-term outcomes. However, the association between cemented hemiarthroplasty and short-term mortality is controversial. To increase a preparedness of potential complication after cemented hemiarthroplasty, we aimed to evaluate the trajectory of the effect of cemented hemiarthroplasty on short-term in-hospital outcomes.Methods: We investigated in-hospital mortality and complications between cemented hemiarthroplasty and cementless hemiarthroplasty using a nationwide multicenter database from 2010 to 2016 with a propensity-score matching analysis. We analyzed in-hospital mortality from 1 to 14 days after surgery. We also investigated in-hospital complications that may associate with mortality.Results: After matching of 31,322 cases, we found no significant difference in 30-day in-hospital mortality between the cemented and cementless hemiarthroplasty groups (hazard ratio, HR [95% confidence interval, CI], 1.2 [0.89– 1.6], p = 0.23). However, the 1- to 10-day postoperative mortality rates were significantly higher in the cemented group and the association becomes weaker as the postoperative period increased (day 1; HR [95% CI]: 3.5 [1.6– 7.68]; day 10; HR [95% CI]: 1.59 [1.07– 2.37]). The incidence of stroke and intensive care unit (ICU) admission was also significantly higher in the cemented group.Conclusion: Cemented hemiarthroplasty was not significantly associated with an increase in overall in-hospital mortality but was significantly associated with short-term mortality from 1-day to 10-day after surgery. The incidence of stroke and ICU admission was also significantly higher in the cemented group. Surgeons should pay more attention to the risk of mortality and stroke in patients undergoing cemented hemiarthroplasty, especially in the early days of hospitalization.Keywords: national database, complication, geriatric fracture, stroke, intensive care unit admission, ICU admissio
<Special Contributions>Life is as Water Flow --My Research History--
No full textThe author was born in a port town, Kobe and studied the coastal engineering in Kyoto University. After graduation, he was hired by the Ministry of Transport and became a member of the Port and Harbour Research Institute (PHRI). In the institute, he mainly managed the wave transformation in shallow water, the prevention of the long period waves in harbors and the development of the multi-directional random wave generator. He moved to the DPRI, Kyoto University as a professor after the 26years work in PHRI. The large size experimental works in the Tsunami Reproduction Basin in the Ujikawa Open Laboratory was his main research theme This manuscript demonstrates the purposes and results of such large size experiments carried out by himself
Changes in the light condition and the density of regenerating Chamaecyparis obtusa individuals after selection cutting practice at the Akasawa Experimental Forest, Kiso, Nagano Prefecture.
No full textThis data provide the location and topographic wetness index of each quadrat, the changes in the light conditions and the densities of Chamaecyparis obtusa individuals after selection cutting practice, and small seedling (HThe long-term experimental research for
ca. 30 years was accomplished by the cooperation and collaboration among many
researchers and investigation staffs including the author, Mr. Kuniyuki Arai,
Mr. Tetsuya Sengoku, Dr. Takeshi Morisawa, Mr. Haruhiko Mimura, Mr. Naoaki
Tate, Mr. Masayuki Imamura, and Mr. Hiromichi Kushima.</div
Interface and results visualization of WMN-GA simulation system: evaluation for exponential and Weibull distributions considering different transmission rates
No full textThis is a copy of the author 's final draft version of an article published in the journal Computer standards & interfaces.
The final publication is available at Springer via
http://dx.doi.org/10.1016/j.csi.2015.04.003In this paper, we present the interface and data visualization of a simulation system for Wireless Mesh Networks (WMNs), which is based on Genetic Algorithms (GAs). We call this system WMN-GA. As evaluation parameters, we consider Packet Delivery Ratio (PDR), throughput and delay metrics. For simulations, we used ns-3 simulator and Hybrid Wireless Mesh Protocol (HWMP). From simulation results, we found that PDR for Weibull distribution is higher than Exponential distribution. But, the throughput of Exponential distribution is higher than Weibull distribution. The delay of Exponential distribution is smaller than Weibull distribution.Peer ReviewedPostprint (author's final draft
Investigation of validity of model for estimating shear force applied to buttocks in elderly people with kyphosis while sitting comfortably on a chair.
No full textP(論文)journal articl
Dockerizing indri for OSIRRC 2019
No full textThe Lemur Project was set up in 2000 by the Center for Intelligent Information Retrieval at UMass Amherst. It is one of the longest lasting open-source projects in the information retrieval (IR) research community. Among the released tools is Indri, a popular search engine that was designed for language-modeling based approaches to IR. For OSIRRC 2019 we dockerized Indri and added support for the Robust04, Core18 and GOV2 test collections.Web Information System
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