Articles

UofT Libraries is getting a new library services platform in January 2021.
Learn more about the change.

Search Articles

Advanced search
Help

Catalogue

Articles

Databases

X
Search Filters
Format Format
Format Format
X
Sort by Item Count (A-Z)
Filter by Count
Journal Article (7504) 7504
Patent (6797) 6797
Conference Proceeding (534) 534
Magazine Article (405) 405
Newspaper Article (352) 352
Book Chapter (102) 102
Dissertation (56) 56
Book / eBook (9) 9
Publication (4) 4
Web Resource (3) 3
Reference (2) 2
Book Review (1) 1
Technical Report (1) 1
more...
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
science & technology (2247) 2247
physics (2067) 2067
chemistry (1630) 1630
performing operations (1466) 1466
transporting (1466) 1466
electricity (1403) 1403
metallurgy (1211) 1211
technology (972) 972
life sciences & biomedicine (916) 916
physical sciences (834) 834
testing (825) 825
measuring (816) 816
human necessities (740) 740
mechanical engineering (699) 699
heating (692) 692
lighting (688) 688
blasting (685) 685
weapons (685) 685
counting (525) 525
calculating (524) 524
computing (524) 524
basic electric elements (523) 523
engineering (488) 488
fixed constructions (485) 485
materials science (436) 436
electric communication technique (414) 414
conversion or distribution of electric power (366) 366
generation (366) 366
analysis (350) 350
materials science, multidisciplinary (349) 349
hygiene (337) 337
medical or veterinary science (337) 337
humans (327) 327
general tagging of cross-sectional technologies spanning over several sections of the ipc (311) 311
general tagging of new technological developments (311) 311
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (311) 311
investigating or analysing materials by determining theirchemical or physical properties (305) 305
technologies or applications for mitigation or adaptation againstclimate change (302) 302
electric digital data processing (295) 295
agriculture (278) 278
semiconductor devices (272) 272
electric solid state devices not otherwise provided for (257) 257
science & technology - other topics (249) 249
organic chemistry (243) 243
engineering elements and units (237) 237
general measures for producing and maintaining effectivefunctioning of machines or installations (237) 237
thermal insulation in general (237) 237
animals (236) 236
forestry (234) 234
trapping (231) 231
animal husbandry (230) 230
hunting (230) 230
physical or chemical processes or apparatus in general (230) 230
fishing (229) 229
male (223) 223
physics, applied (222) 222
engineering, electrical & electronic (221) 221
microbiology (210) 210
exact sciences and technology (196) 196
transmission of digital information, e.g. telegraphiccommunication (196) 196
chemistry, physical (193) 193
female (193) 193
fuels (189) 189
packing (182) 182
conveying (181) 181
handling thin or filamentary material (181) 181
storing (181) 181
separation (179) 179
lubricants (173) 173
peat (172) 172
petroleum, gas or coke industries (171) 171
technical gases containing carbon monoxide (171) 171
compositions based thereon (170) 170
organic macromolecular compounds (170) 170
their preparation or chemical working-up (170) 170
climate change mitigation technologies in the production orprocessing of goods (165) 165
preparations for medical, dental, or toilet purposes (165) 165
mining (161) 161
earth drilling (159) 159
chemistry, multidisciplinary (153) 153
research (150) 150
measuring electric variables (147) 147
measuring magnetic variables (147) 147
treatment of water, waste water, sewage, or sludge (144) 144
applied sciences (142) 142
inorganic chemistry (138) 138
optics (136) 136
biochemistry (134) 134
hydraulic engineering (134) 134
textiles (134) 134
data processing systems or methods, specially adapted foradministrative, commercial, financial, managerial, supervisoryor forecasting purposes (132) 132
foundations (132) 132
machine tools (132) 132
specific therapeutic activity of chemical compounds ormedicinal preparations (132) 132
systems or methods specially adapted for administrative,commercial, financial, managerial, supervisory or forecastingpurposes, not otherwise provided for (132) 132
metal-working not otherwise provided for (131) 131
soil shifting (131) 131
ferrous or non-ferrous alloys (130) 130
treatment of alloys or non-ferrous metals (130) 130
electric techniques not otherwise provided for (126) 126
more...
Library Location Library Location
Language Language
Language Language
X
Sort by Item Count (A-Z)
Filter by Count
English (11297) 11297
Chinese (10052) 10052
French (255) 255
German (94) 94
Korean (15) 15
Spanish (12) 12
Japanese (9) 9
Portuguese (8) 8
Norwegian (2) 2
Polish (2) 2
Russian (2) 2
Turkish (1) 1
more...
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


1. Full Text Multiview Hessian Regularization for Image Annotation
by Liu, Weifeng and Tao, Dacheng
IEEE transactions on image processing, ISSN 1057-7149, 07/2013, Volume 22, Issue 7, pp. 2676 - 2687
Manifolds | Support vector machines | Geometry | semisupervised learning (SSL) | Laplace equations | Image annotation | Semisupervised learning | Kernel | Hessian | manifold learning | multiview learning | image annotation | Engineering, Electrical & Electronic | Engineering | Computer Science, Artificial Intelligence | Technology | Computer Science | Science & Technology | Signal and communications theory | Image processing | Telecommunications and information theory | Exact sciences and technology | Signal, noise | Signal processing | Applied sciences | Information, signal and communications theory | Signal representation. Spectral analysis | Usage | Innovations | Machine learning | Laplace transformation | Graph theory | Hessian matrices
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
2. Full Text The Kernel Least-Mean-Square Algorithm
by Weifeng Liu and Pokharel, P.P and Principe, J.C
IEEE transactions on signal processing, ISSN 1053-587X, 02/2008, Volume 56, Issue 2, pp. 543 - 554
Algorithm design and analysis | Machine learning algorithms | Adaptive filters | least mean square | Least squares approximation | Tikhonov regularization | Radio access networks | Kernel methods | Signal processing algorithms | Training data | Hilbert space | Kernel | Principal component analysis | Least mean square | Engineering, Electrical & Electronic | Engineering | Technology | Science & Technology | Signal and communications theory | Miscellaneous | Telecommunications and information theory | Exact sciences and technology | Signal, noise | Signal processing | Applied sciences | Information, signal and communications theory | Detection, estimation, filtering, equalization, prediction | Kernels | Algorithms | Acoustic filters | Analysis | Studies | Computational mathematics | Learning | Mathematical analysis | Mathematical models | Regularization
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
3. Full Text Correntropy: Properties and Applications in Non-Gaussian Signal Processing
by Weifeng Liu and Pokharel, P.P and Principe, J.C
IEEE transactions on signal processing, ISSN 1053-587X, 11/2007, Volume 55, Issue 11, pp. 5286 - 5298
information theoretic learning | Random processes | Yield estimation | Statistics | Generalized correlation function | temporal principal component analysis (TPCA) | metric | Gaussian processes | Mean square error methods | Bandwidth | Signal processing | kernel methods | Robustness | Random variables | Kernel | Kernel methods | Metric | Information theoretic learning | Temporal principal component analysis (TPCA) | Engineering, Electrical & Electronic | Engineering | Technology | Science & Technology | Miscellaneous | Telecommunications and information theory | Exact sciences and technology | Applied sciences | Information, signal and communications theory | Information theory | Usage | Analysis | Kernels | Similarity | Probability theory | Non-Gaussian | Joints | Optimization
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
4. Full Text Participation constraints of matching mechanisms
by Liu, Weifeng
Journal of public economic theory, ISSN 1097-3923, 06/2019, Volume 21, Issue 3, pp. 488 - 511
Economics | Business & Economics | Social Sciences | Economic models | Equilibrium
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
5. Full Text Cooperative communications with relay-selection: when to cooperate and whom to cooperate with?
by Ibrahim, A.S and Sadek, A.K and Weifeng Su and Liu, K.J.R
IEEE transactions on wireless communications, ISSN 1536-1276, 07/2008, Volume 7, Issue 7, pp. 2814 - 2827
Fading | Protocols | Upper bound | Error analysis | Wireless networks | Computer simulation | Bandwidth | Decoding | Digital relays | Channel state information | Multi-node wireless relay networks | Decode-and-forward cooperative protocol | Cooperative diversity | Optimal relay selection | Engineering, Electrical & Electronic | Engineering | Telecommunications | Technology | Science & Technology | Signal and communications theory | Teleprocessing networks. Isdn | Telecommunications and information theory | Systems, networks and services of telecommunications | Exact sciences and technology | Signal, noise | Applied sciences | Information, signal and communications theory | Transmission and modulation (techniques and equipments) | Access methods and protocols, osi model | Detection, estimation, filtering, equalization, prediction | Studies | Efficiency | Wireless communication | Relay | Approximation | Mathematical analysis | Channels | Gain | Optimization
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
6. Full Text Improved artificial bee colony algorithm for global optimization
by Gao, Weifeng and Liu, Sanyang
Information processing letters, ISSN 0020-0190, 2011, Volume 111, Issue 17, pp. 871 - 882
Randomized algorithms | Artificial bee colony algorithm | Solution search equation | Search mechanism | Initial population | Computer Science, Information Systems | Technology | Computer Science | Science & Technology | Miscellaneous | Exact sciences and technology | Algorithmics. Computability. Computer arithmetics | Mathematics | Sciences and techniques of general use | Computer science; control theory; systems | Numerical analysis. Scientific computation | Calculus of variations and optimal control | Numerical analysis | Numerical methods in mathematical programming, optimization and calculus of variations | Mathematical analysis | Theoretical computing | Applied sciences | Numerical methods in optimization and calculus of variations | Algorithms | Learning | Studies | Optimization algorithms | Probability distribution | Colonies | Searching | Evolution | Mathematical models | Optimization | Convergence
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
7. Full Text Global public goods and coalition formation under matching mechanisms
by Liu, Weifeng
Journal of public economic theory, ISSN 1097-3923, 06/2018, Volume 20, Issue 3, pp. 325 - 355
Economics | Business & Economics | Social Sciences | Economic models | Coalitions | Public good
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
8. Cooperative communications and networking
by Liu, K. J. Ray and Sadek, Ahmed K and Su, Weifeng and Kwasinski, Andres and Books24x7, Inc
2009, ISBN 0521895138, Volume 9780521895132, xiv, 627
MIMO systems | Radio relay systems | Wireless communication systems | Internetworking (Telecommunication)
Book
Details down arrow
9. Full Text On optimum selection relaying protocols in cooperative wireless networks
by Weifeng Su and Xin Liu
IEEE transactions on communications, ISSN 0090-6778, 01/2010, Volume 58, Issue 1, pp. 52 - 57
selection relaying | Wireless application protocol | Decoding | optimum power allocation | Cultural differences | Power system modeling | Communication switching | Analytical models | Cooperative communications | decode-and-forward (DF) relaying | Wireless networks | Communications Society | Power system relaying | wireless network | Digital relays | amplify-and-forwrd (AF) relaying | Ecode-and-forward (DF) relaying | Wireless network | Optimum power allocation | Amplify-andforward (AF) relaying | Selection relaying | Engineering, Electrical & Electronic | Engineering | Telecommunications | Technology | Science & Technology | Teleprocessing networks. Isdn | Applied sciences | Access methods and protocols, osi model | Telecommunications and information theory | Exact sciences and technology | Selection methods (Regression analysis) | Research | Computer network protocols | Mathematical optimization | Wireless telecommunications equipment | Standards | Studies | Probability | Networks | Outages | Relaying | Allocations | Simulation | Links | Channels | Optimization
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
10. Full Text Biomimetic Supertough and Strong Biodegradable Polymeric Materials with Improved Thermal Properties and Excellent UV‐Blocking Performance
by Zhang, Xiao and Liu, Weifeng and Yang, Dongjie and Qiu, Xueqing
Advanced functional materials, ISSN 1616-301X, 01/2019, Volume 29, Issue 4, pp. 1806912 - n/a
UV blocking | biodegradable | polymers | supertough | biomimetic | Materials Science | Materials Science, Multidisciplinary | Physics, Condensed Matter | Science & Technology - Other Topics | Chemistry, Physical | Physics | Science & Technology | Physics, Applied | Physical Sciences | Chemistry | Nanoscience & Nanotechnology | Technology | Chemistry, Multidisciplinary | Biodegradability | Biomass | Polymeric films | Tensile strength | Thermal stability | Fracture toughness | Nanoparticles | Silk | Hydrogen bonds | Nanocomposites | Bonding strength | Biomimetic materials | Thermodynamic properties
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
11. Full Text A global best artificial bee colony algorithm for global optimization
by Gao, Weifeng and Liu, Sanyang and Huang, Lingling
Journal of computational and applied mathematics, ISSN 0377-0427, 05/2012, Volume 236, Issue 11, pp. 2741 - 2753
Artificial bee colony algorithm | Search strategy | Variant artificial bee colony algorithm | Initial population | Physical Sciences | Mathematics | Mathematics, Applied | Science & Technology | Mathematical optimization | Bees | Algorithms
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
12. Full Text LncRNA-p21 inhibited the proliferation of osteosarcoma cells via the miR-130b/PTEN/AKT signaling pathway
by Han, Weifeng and Liu, Junpeng
Biomedicine & pharmacotherapy, ISSN 0753-3322, 01/2018, Volume 97, pp. 911 - 918
PTEN | LncRNA-p21 | AKT | Proliferation | Osteosarcoma | Pharmacology & Pharmacy | Life Sciences & Biomedicine | Medicine, Research & Experimental | Science & Technology | Research & Experimental Medicine | PTEN Phosphohydrolase - genetics | Up-Regulation | Cell Proliferation - genetics | Humans | Gene Expression Regulation, Neoplastic | Male | RNA, Long Noncoding - genetics | Signal Transduction - genetics | Bone Neoplasms - pathology | Xenograft Model Antitumor Assays | Animals | Mice, Nude | Cell Line, Tumor | Bone Neoplasms - genetics | Mice | MicroRNAs - genetics | Osteosarcoma - genetics | Proto-Oncogene Proteins c-akt - metabolism | Osteosarcoma - pathology | RNA | Phosphatases | Index Medicus
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights
13. Full Text Epigenetic silencing of the Wnt antagonist APCDD1 by promoter DNA hyper-methylation contributes to osteosarcoma cell invasion and metastasis
by Han, Weifeng and Liu, Junpeng
Biochemical and biophysical research communications, ISSN 0006-291X, 09/2017, Volume 491, Issue 1, pp. 91 - 97
DNA methylation | Wnt signaling | APCDD1 | Osteosarcoma | Invasion and metastasis | Biochemistry & Molecular Biology | Biophysics | Life Sciences & Biomedicine | Science & Technology | Membrane Proteins - genetics | Neoplasm Invasiveness | Humans | Gene Silencing | DNA Methylation - genetics | Promoter Regions, Genetic - genetics | Wnt Signaling Pathway - genetics | Epigenesis, Genetic - genetics | Cell Line, Tumor | DNA, Neoplasm - genetics | Osteosarcoma - genetics | Osteosarcoma - secondary | Intracellular Signaling Peptides and Proteins - genetics | Osteosarcoma - pathology | Epigenetic inheritance | Methyltransferases | RNA | DNA | Metastasis | Methylation | Index Medicus
Journal Article
Details down arrow
Digital rights down arrow
loading Loading Rights