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A retrospective study of probabilistic context-based retrieval

H. C. Wu, R. W. P. Luk, K. F. Wong, K. L. Kwok, W. J. Li
2005 Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR '05  
The retrospective experiments (i.e., relevance information is present) illustrate the potential of our probabilistic context-based retrieval where the precision at the top 30 documents is about 43% for  ...  We propose a novel probabilistic retrieval model which weights terms according to their contexts in documents.  ...  The basic retrieval system was developed when Robert was on leave at UMASS.  ... 
doi:10.1145/1076034.1076179 dblp:conf/sigir/WuLWKL05 fatcat:kenrv5pkvfdc5gjhvnmipqoywm

MATRIX at the TREC 2005 Robust Track

W. S. Wong, Ho Chung Wu, Robert Wing Pong Luk, Hong Va Leong, Kam-Fai Wong, Kui-Lam Kwok
2005 Text Retrieval Conference  
The context-based model incorporates the term locations in a document for calculating the term weights.  ...  context-based model depending on some query characteristics.  ...  ACKNOWLEDGEMENT We would like to thank the Center for Intelligent Information Retrieval, University of Massachusetts (UMASS), for facilitating Robert Luk to develop in part the basic IR system, when he  ... 
dblp:conf/trec/WongWLLWK05 fatcat:ejw4fumuqfampgtb4nidf54wku

Database merging strategy based on logistic regression

Anne Le Calvé, Jacques Savoy
2000 Information Processing & Management  
To achieve this merging, this study is concerned with a particular situation within which only the rank of the retrieved records is available as a key to combine different result lists.  ...  Based on this rather limited information, this paper describes the theoretical foundation and retrieval performance of our database merging approach based on the logistic regression.  ...  Buckley from SABIR Research, for giving us the opportunity to use the SMART system, without which this study could not have been conducted.  ... 
doi:10.1016/s0306-4573(99)00036-9 fatcat:krykzwvqb5anhjqyb5taxudhbi

Information Retrieval Performance of Probabilistically Generated, Problem-Specific Computerized Provider Order Entry Pick-Lists: A Pilot Study

A. S. Rothschild
2005 JAMIA Journal of the American Medical Informatics Association  
A b s t r a c t Objective: The aim of this study was to preliminarily determine the feasibility of probabilistically generating problem-specific computerized provider order entry (CPOE) pick-lists from  ...  Design: In a pilot retrospective validation, physicians reviewed internal medicine cases consisting of the admission history and physical examination and orders placed using CPOE during the first 24 hours  ...  We designed our study as a retrospective validation.  ... 
doi:10.1197/jamia.m1670 pmid:15684134 pmcid:PMC1090464 fatcat:2gczx4fojbaknnbqxluc6hloey

A probabilistic model of information retrieval: development and comparative experiments

K Sparck Jones, S Walker, S.E Robertson
2000 Information Processing & Management  
The paper combines a comprehensive account of the probabilistic model of retrieval with new systematic experiments on TREC Programme material.  ...  Each step in the argument is matched by comparative retrieval tests, to provide a single coherent account of a major line of research.  ...  Until recently, however, it has been studied in TREC only in a limited form, with`routing' de®ned as retrieval and ranking for a new batch of documents.  ... 
doi:10.1016/s0306-4573(00)00016-9 fatcat:42foibdegvb3xiqvz4gjkstara

Page 65 of Library & Information Science Abstracts Vol. , Issue 3 [page]

1995 Library & Information Science Abstracts  
These probabilistic retrieval procedures, rank orders and other distribution based statistics.  ...  the bibliographic context of a person under consideration.  ... 

Interpreting TF-IDF term weights as making relevance decisions

Ho Chung Wu, Robert Wing Pong Luk, Kam Fai Wong, Kui Lam Kwok
2008 ACM Transactions on Information Systems  
A novel probabilistic retrieval model is presented. It forms a basis to interpret the TF-IDF term weights as making relevance decisions.  ...  The significance of interpreting TF-IDF in this way is the potential to: (1) establish a unifying perspective about information retrieval as relevance decision-making; and (2) develop advanced TF-IDF-related  ...  Section 2.3 develops our probabilistic model and derives the context-based ranking formula (Eq. (6)).  ... 
doi:10.1145/1361684.1361686 fatcat:ovpazx7yq5h5np5au2dayp76yq

A probabilistic ranking framework using unobservable binary events for video search

Robin Aly, Djoerd Hiemstra, Arjen de Vries, Franciska de Jong
2008 Proceedings of the 2008 international conference on Content-based image and video retrieval - CIVR '08  
Recent content-based video retrieval systems combine output of concept detectors (also known as high-level features) with text obtained through automatic speech recognition.  ...  We develop a probabilistic ranking framework for unobservable binary events to search in videos, called PR-FUBE.  ...  This way we can base our work on years of successful probabilistic text information retrieval (Text IR) research, and work on a solid statistical foundation.  ... 
doi:10.1145/1386352.1386398 dblp:conf/civr/AlyHVJ08 fatcat:yqylqtw6tnblhg7c65fckxfape

Probabilistic Precipitation Estimation with a Satellite Product

Nir Krakauer, Soni Pradhanang, Jeeban Panthi, Tarendra Lakhankar, Ajay Jha
2015 Climate  
, almost as high as the retrospectively calibrated TMPA 3B42 product.  ...  We develop a probabilistic precipitation monitoring methodology that uses previous observations (climatology) as well as 3B42RT as input to generate daily precipitation accumulation probability distributions  ...  All statements made are the views of the authors and not the opinions of the funders or the U.S. government.  ... 
doi:10.3390/cli3020329 fatcat:cwyzhdzan5g4pdirlz755dnn6e

Probabilistic cost-effectiveness analysis of controlled ovarian stimulation with recombinant FSH plus recombinant LH vs. human menopausal gonadotropin for women undergoing IVF

F. S. Mennini, A. Marcellusi, R. Viti, C. Bini, A. Carosso, A. Revelli, C. Benedetto
2018 Reproductive Biology and Endocrinology  
Methods: A probabilistic decision tree was developed to simulate patients undergoing IVF, either using r-FSH + r-LH or HP-hMG to obtain COS.  ...  Simulations were reported considering the number of retrieved oocytes (5-9, 10-15 and > 15) and transition probabilities were estimated through specific analyses carried out on the population of 848 women  ...  Funding The authors declare that they have no received funding for this study.  ... 
doi:10.1186/s12958-018-0386-2 pmid:30021630 pmcid:PMC6052706 fatcat:uou6kvan5jb5hakhfjpahmxkoe

Page 4236 of Psychological Abstracts Vol. 86, Issue 11 [page]

1999 Psychological Abstracts  
In Exp 3, the same participants showed a significant age-related decline on retrospective memory tasks, and on event-based and time-based laboratory PM tasks embedded within the retrospective memory tasks  ...  —Driving performance in an instrumented vehicle versus a low-cost, fixed- based driving simulator were compared.  ... 

CMU Informedia@TRECVID 2015: MED/SIN/LNK/SED

Shoou-I Yu, Lu Jiang, Zhongwen Xu, Zhenzhong Lan, Shicheng Xu, Xiaojun Chang, Xuanchong Li, Zexi Mao, Chuang Gan, Yajie Miao, Xingzhong Du, Yang Cai (+17 others)
2015 TREC Video Retrieval Evaluation  
The fusion method used for 010Ex is the Multistage Hybrid Late Fusion, which is a combination of many different fusion algorithms.  ...  We submitted four runs for this year's PS condition: CMU_MED15_MED15EvalFull_PS_10Ex_MED_p-baseline_1: The baseline 10Ex system similar to our 2014 system (using same set of features).  ...  , of ARO, the National Science Foundation or the U.S.  ... 
dblp:conf/trecvid/Yu0XLXCLMGMDCMW15 fatcat:ebabmpmrk5hyva5axagzma33n4

Contributions on Clinical Decision Support from the 2018 Literature

Vassilis Koutkias, Jacques Bouaud, Section Editors for the IMIA Yearbook Section on Decision Support
2019 IMIA Yearbook of Medical Informatics  
Conclusions: Three of the four best papers rely on data-driven methods, and one builds on a knowledge-based approach.  ...  The aim was to identify a list of candidate best papers from the retrieved bibliographic records, which were then peer-reviewed by external reviewers.  ...  of the IMIA Yearbook.  ... 
doi:10.1055/s-0039-1677929 pmid:31419825 pmcid:PMC6697519 fatcat:r6zkcrliobh45akh2ang6uuy6u

Probabilistic Model for Prediction of Prognostics in Myocardial Revascularization: Complications in Coronary Surgery

Valcellos José da Cruz Viana, Felipe Coelho Argolo, Nilzo Augusto Mendes Ribeiro, Augusto Ferreira da Silva Junior, Luis Claudio Lemos Correia
2017 International Journal of Cardiovascular Sciences  
Methods: Retrospective Cohort study conducted between October, 2010, and April, 2015. We used logistic regression to identify risk factors for hospital morbidity.  ...  Results: Data was retrieved from 472 patients who underwent coronary cardiac surgery in Hospital Santa Izabel da Santa Casa, BA. Mean age was 62.8 years old and 32.5% of the sample were women.  ...  Methods Study design Observational study of a retrospective cohort, using a database retrieved from the institution's records, fed with variables recorded between preoperative and patient discharge,  ... 
doi:10.5935/2359-4802.20170049 fatcat:rwcxd732nffblprmy464jeaboi

Prediction Error during Retrospective Revaluation of Causal Associations in HumansfMRI Evidence in Favor of an Associative Model of Learning

P CORLETT, M AITKEN, A DICKINSON, D SHANKS, G HONEY, R HONEY, T ROBBINS, E BULLMORE, P FLETCHER
2004 Neuron  
Conversely, under a rule-based scheme such as probabilistic contrast (PC) theory 1 Brain Mapping Unit (Cheng and Novick, 1992; Cheng, 1997), humans are Department of Psychiatry assumed to be intuitive  ...  Finally, pairing a retrieved representation of an absent cue with a predic-*Correspondence: pcf22@cam.ac.uk Neuron 878  ...  One other influential explanation of retrospective re-yses offered by probabilistic contrast models (Cheng Figure 5.  ... 
doi:10.1016/s0896-6273(04)00756-1 pmid:15572117 fatcat:ndj2h2o2vfe5vp4pe7jm3uedc4
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