Li Zhang

Summary

Affiliation: University of Saskatchewan
Country: Canada

Publications

  1. pmc Optimizing search strategies to identify randomized controlled trials in MEDLINE
    Li Zhang
    Natural Sciences Library, University of Saskatchewan, Saskatoon, Canada
    BMC Med Res Methodol 6:23. 2006
  2. pmc Can electronic search engines optimize screening of search results in systematic reviews: an empirical study
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Ottawa, Canada
    BMC Med Res Methodol 6:7. 2006
  3. pmc An alternative to the hand searching gold standard: validating methodological search filters using relative recall
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Canada
    BMC Med Res Methodol 6:33. 2006
  4. pmc Many quality measurements, but few quality measures assessing the quality of breast cancer care in women: a systematic review
    Howard M Schachter
    Children s Hospital of Eastern Ontario Research Institute, 401 Smyth Road, Ottawa, ON, Canada
    BMC Cancer 6:291. 2006
  5. ncbi request reprint The cohesive metaschema: a higher-level abstraction of the UMLS Semantic Network
    Yehoshua Perl
    Computer Science Department, New Jersey Institute of Technology, Newark, NJ 07102, USA
    J Biomed Inform 35:194-212. 2002
  6. ncbi request reprint The evidence for efficacy of omega-3 fatty acids in preventing or slowing the progression of retinitis pigmentosa: a systematic review
    William G Hodge
    Department of Opthalmology, Ottawa Hospital Eye Institute, University of Ottawa, Ont, Canada
    Can J Ophthalmol 41:481-90. 2006
  7. ncbi request reprint A BPF-type algorithm for CT with a curved PI detector
    Jie Tang
    Department of Engineering Physics, Tsinghua University, Bejing 100084, People s Republic of China
    Phys Med Biol 51:N287-93. 2006
  8. ncbi request reprint Estimating optimal parameters for MRF stereo from a single image pair
    Li Zhang
    Computer Science Department, Columbia University, New York, NY 10027, USA
    IEEE Trans Pattern Anal Mach Intell 29:331-42. 2007
  9. ncbi request reprint Evidence for the effect of omega-3 fatty acids on progression of age-related macular degeneration: a systematic review
    William G Hodge
    Department of Ophthalmology, Ottawa Hospital Eye Institute, The University of Ottawa, Ottawa, Ontario, Canada
    Retina 27:216-21. 2007
  10. ncbi request reprint Restoring warped document images through 3D shape modeling
    Chew Lim Tan
    School of Computing, National University of Singapore 3, Science Drive 2, Singapore
    IEEE Trans Pattern Anal Mach Intell 28:195-208. 2006

Collaborators

Detail Information

Publications20

  1. pmc Optimizing search strategies to identify randomized controlled trials in MEDLINE
    Li Zhang
    Natural Sciences Library, University of Saskatchewan, Saskatoon, Canada
    BMC Med Res Methodol 6:23. 2006
    ..The objective of this study is to validate these four revisions: combining the free text terms volunteer, crossover, versus, and the Medical Subject Heading CROSS-OVER STUDIES with the top two phases of the HSSS, respectively...
  2. pmc Can electronic search engines optimize screening of search results in systematic reviews: an empirical study
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Ottawa, Canada
    BMC Med Res Methodol 6:7. 2006
    ..Our objective is to test the ability of an Ultraseek search engine to rank MEDLINE records of the included studies of Cochrane reviews within the top half of all the records retrieved by the Boolean MEDLINE search used by the reviewers...
  3. pmc An alternative to the hand searching gold standard: validating methodological search filters using relative recall
    Margaret Sampson
    Chalmers Research Group, Children s Hospital of Eastern Ontario Research Institute, Canada
    BMC Med Res Methodol 6:33. 2006
    ..We demonstrate the feasibility of using relative recall of included studies from multiple systematic reviews to validate methodological search filters as an alternative to validation against a gold standard formed through hand searching...
  4. pmc Many quality measurements, but few quality measures assessing the quality of breast cancer care in women: a systematic review
    Howard M Schachter
    Children s Hospital of Eastern Ontario Research Institute, 401 Smyth Road, Ottawa, ON, Canada
    BMC Cancer 6:291. 2006
    ..Quality measurement is essential to monitor effectiveness and to guide improvements in healthcare...
  5. ncbi request reprint The cohesive metaschema: a higher-level abstraction of the UMLS Semantic Network
    Yehoshua Perl
    Computer Science Department, New Jersey Institute of Technology, Newark, NJ 07102, USA
    J Biomed Inform 35:194-212. 2002
    ..We present a set of graphical views of the SN based on the metaschema to help in user orientation to the SN. A study compares the cohesive metaschema to metaschemas derived semantically by UMLS experts...
  6. ncbi request reprint The evidence for efficacy of omega-3 fatty acids in preventing or slowing the progression of retinitis pigmentosa: a systematic review
    William G Hodge
    Department of Opthalmology, Ottawa Hospital Eye Institute, University of Ottawa, Ont, Canada
    Can J Ophthalmol 41:481-90. 2006
    ....
  7. ncbi request reprint A BPF-type algorithm for CT with a curved PI detector
    Jie Tang
    Department of Engineering Physics, Tsinghua University, Bejing 100084, People s Republic of China
    Phys Med Biol 51:N287-93. 2006
    ..e., a curved PI detector fitting the Tam-Danielsson window. The reconstruction algorithm is derived following the framework of the BPF algorithm. Numerical simulations are done to validate our algorithm in this study...
  8. ncbi request reprint Estimating optimal parameters for MRF stereo from a single image pair
    Li Zhang
    Computer Science Department, Columbia University, New York, NY 10027, USA
    IEEE Trans Pattern Anal Mach Intell 29:331-42. 2007
    ..Experiments demonstrate that our approach moves a baseline belief propagation stereo algorithm up six slots in the Middlebury rankings...
  9. ncbi request reprint Evidence for the effect of omega-3 fatty acids on progression of age-related macular degeneration: a systematic review
    William G Hodge
    Department of Ophthalmology, Ottawa Hospital Eye Institute, The University of Ottawa, Ottawa, Ontario, Canada
    Retina 27:216-21. 2007
    ....
  10. ncbi request reprint Restoring warped document images through 3D shape modeling
    Chew Lim Tan
    School of Computing, National University of Singapore 3, Science Drive 2, Singapore
    IEEE Trans Pattern Anal Mach Intell 28:195-208. 2006
    ..The results show that the geometric and photometric distortions are mostly removed and the OCR results are improved markedly...
  11. ncbi request reprint Atlas-driven lung lobe segmentation in volumetric X-ray CT images
    Li Zhang
    University of Iowa, Iowa City, IA 52242, USA
    IEEE Trans Med Imaging 25:1-16. 2006
    ..96 +/- 0.71 mm and the mean of the similarity indices between the manually defined and computer-defined lobe regions is 0.988. The results indicate a strong agreement between the automatic and manual lobe segmentations...
  12. ncbi request reprint Application of traditional Chinese medicine in the treatment of infertility
    Xian Xu
    The Jones Institute for Reproductive Medicine, Department of Obstetrics and Gynaecology, Norfolk, VA 23507, USA
    Hum Fertil (Camb) 6:161-8. 2003
    ..However, the task is enormous in view of the number of herbal products currently available on the market; yet among these products are undoubtedly some that will prove to be safe and beneficial...
  13. ncbi request reprint Designing metaschemas for the UMLS enriched semantic network
    Li Zhang
    Computer Science Department NJIT, Newark, NJ 07102, USA
    J Biomed Inform 36:433-49. 2003
    ..These two metaschemas and their underlying partitions are compared. Both metaschemas serve as compact representations of the ESN, allowing for convenient viewing of its hierarchy and easier comprehension...
  14. ncbi request reprint Auditing concept categorizations in the UMLS
    Huanying Gu
    Department of Health Informatics, University of Medicine and Dentistry of NJ, Newark, NJ 07107, USA
    Artif Intell Med 31:29-44. 2004
    ..Also, we checked the pure intersections containing more than 10 concepts for their semantic soundness, where the semantically suspicious pure intersections are presented in the paper and their concepts are reviewed...
  15. ncbi request reprint Which is better for presenting your data: table or graph?
    Li Zhang
    Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China
    J Zhejiang Univ Sci 5:1165-8. 2004
    ..Participants in this survey were 195 teachers and under-graduates from four universities in Beijing. The results showed people's different attitudes towards the two forms of display...
  16. ncbi request reprint A lexical metaschema for the UMLS semantic network
    Li Zhang
    Computer Science Department, New Jersey Institute of Technology, University Heights, Newark, NJ 07102, USA
    Artif Intell Med 33:41-59. 2005
    ..A new kind of metaschema, called the lexical metaschema, is derived from a lexical partition of the SN. The lexical metaschema is compared to previously derived metaschemas, e.g., the cohesive metaschema...
  17. ncbi request reprint An expert study evaluating the UMLS lexical metaschema
    Li Zhang
    Computer Science Department, New Jersey Institute of Technology, University Heights, Newark, NJ 07102, USA
    Artif Intell Med 34:219-33. 2005
    ..In this paper, a statistical analysis methodology is presented to evaluate the lexical metaschema based on a study involving a group of established UMLS experts...
  18. ncbi request reprint Gene sequence signatures revealed by mining the UniGene affiliation network
    Jiexin Zhang
    Department of Biostatistics and Applied Mathematics, The University of Texas M D Anderson Cancer Center, 1515 Holcombe Boulevard, Box 447, Houston, TX 77030 4009, USA
    Bioinformatics 22:385-91. 2006
    ....
  19. ncbi request reprint Pharmacokinetic of rhein in healthy male volunteers following oral and retention enema administration of rhubarb extract: a single dose study
    Wei Zhu
    Peking University First Hospital, Beijing 100034, China
    Am J Chin Med 33:839-50. 2005
    ..Dosage adjustment is advisable for retention enema administration of rhubarb extract in patients...
  20. ncbi request reprint Comparing and consolidating two heuristic metaschemas
    Yan Chen
    New Jersey Institute of Technology, Newark, NJ 07102, USA
    J Biomed Inform 41:293-317. 2008
    ....