Penn State University Park

  • United States

Research Output 1949 2020

8 Citations (Scopus)
Fluxes
Probability distributions
Experiments
Malware
Botnet
1 Citation (Scopus)

Unsupervised classification of Space Acceleration Measurement System (SAMS) data using ART2-A

Smith, A. D. & Sinha, A., Dec 1 1999, In : Microgravity Science and Technology. 12, 3-4, p. 91-100 10 p.

Research output: Contribution to journalArticle

acceleration measurement
Acceleration measurement
Unsupervised Classification
space transportation system
data systems
20 Citations (Scopus)

Unsupervised discovery of drug side-effects from heterogeneous data sources

Ma, F., Meng, C., Xiao, H., Li, Q., Gao, J., Su, L. & Zhang, A., Aug 13 2017, KDD 2017 - Proceedings of the 23rd ACM SIGKDD International Conference on Knowledge Discovery and Data Mining. Association for Computing Machinery, p. 967-976 10 p. (Proceedings of the ACM SIGKDD International Conference on Knowledge Discovery and Data Mining; vol. Part F129685).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Public health
Drug products
Labels
Industry
6 Citations (Scopus)

Unsupervised inductive learning in symbolic sequences via recursive identification of self-similar semantics

Chattopadhyay, I., Wen, Y., Ray, A. & Phoha, S., 2011, Proceedings of the 2011 American Control Conference, ACC 2011. p. 125-130 6 p. 5991453

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Semantics
Finite automata
26 Citations (Scopus)

Unsupervised learning of object features from video sequences

Leordeanu, M. & Collins, R., Jan 1 2005, Proceedings - 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition, CVPR 2005. IEEE Computer Society, Vol. I. p. 1142-1149 8 p. 1467395

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Unsupervised learning
Statistics
8 Citations (Scopus)

Unsupervised learning of probabilistic context-free grammar using iterative biclustering

Tu, K. & Honavar, V., Nov 28 2008, Grammatical Inference: Algorithms and Applications - 9th International Colloquium, ICGI 2008, Proceedings. p. 224-237 14 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 5278 LNAI).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Biclustering
Context free grammars
Unsupervised learning
Context-free Grammar
Unsupervised Learning
1 Citation (Scopus)
mimicry
artificial intelligence
Bombus
Learning systems
Color
134 Citations (Scopus)

Unsupervised multiresolution on segmentation for images with low depth of field

Wang, J. Z., Li, J., Gray, R. M. & Wiederhold, G., Dec 1 2001, In : IEEE Transactions on Pattern Analysis and Machine Intelligence. 23, 1, p. 85-90 6 p.

Research output: Contribution to journalArticle

Depth of Field
Multiresolution
Segmentation
Image Indexing
Content based retrieval

Unsupervised multi-stage attack detection framework without details on single-stage attacks

Shin, J., Choi, S. H., Liu, P. & Choi, Y. H., Nov 2019, In : Future Generation Computer Systems. 100, p. 811-825 15 p.

Research output: Contribution to journalArticle

Statistical methods
Semantics

Unsupervised parsimonious cluster-based anomaly detection (PCAD)

Miller, D. J., Kesidis, G. & Qiu, Z., Oct 31 2018, 2018 IEEE International Workshop on Machine Learning for Signal Processing, MLSP 2018 - Proceedings. Pustelnik, N., Tan, Z-H., Ma, Z. & Larsen, J. (eds.). IEEE Computer Society, Vol. 2018-September. 8517014

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Unsupervised ranking for plagiarism source retrieval: Notebook for PAN at CLEF 2013

Williams, K., Chen, H. H., Choudhury, S. R. & Giles, C. L., 2013, In : CEUR Workshop Proceedings. 1179

Research output: Contribution to journalArticle

Search engines

Unsupervised representation learning of spatial data via multimodal embedding

Jenkins, P., Farag, A., Wang, S. & Li, Z., Nov 3 2019, CIKM 2019 - Proceedings of the 28th ACM International Conference on Information and Knowledge Management. Association for Computing Machinery, p. 1993-2002 10 p. (International Conference on Information and Knowledge Management, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
Urbanization
Crime
Standard of living
Urban environment
Urban dynamics
49 Citations (Scopus)

Unsupervised sentiment analysis for social media images

Wang, Y., Wang, S., Tang, J., Liu, H. & Li, B., Jan 1 2015, IJCAI 2015 - Proceedings of the 24th International Joint Conference on Artificial Intelligence. Wooldridge, M. & Yang, Q. (eds.). International Joint Conferences on Artificial Intelligence, p. 2378-2379 2 p. (IJCAI International Joint Conference on Artificial Intelligence; vol. 2015-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Semantics
Labels
Experiments
6 Citations (Scopus)

Unsupervised symbolization of signal time series for extraction of the embedded information

Li, Y. & Ray, A., Jan 1 2017, In : Entropy. 19, 4, 148.

Research output: Contribution to journalArticle

time signals
strings
experimentation
marking
requirements
55 Citations (Scopus)

Unsupported inferences of high-severity fire in historical dry forests of the western United States: Response to Williams and Baker

Fulé, P. Z., Swetnam, T. W., Brown, P. M., Falk, D. A., Peterson, D. L., Allen, C. D., Aplet, G. H., Battaglia, M. A., Binkley, D., Farris, C., Keane, R. E., Margolis, E. Q., Grissino-Mayer, H., Miller, C., Sieg, C. H., Skinner, C., Stephens, S. L. & Taylor, A., Jul 2014, In : Global Ecology and Biogeography. 23, 7, p. 825-830 6 p.

Research output: Contribution to journalArticle

fire severity
Western United States
dry forest
dry forests
taxonomy
146 Citations (Scopus)

Unsuspected extracolonic findings at screening CT colonography: clinical and economic impact

Pickhardt, P., Hanson, M. E., Vanness, D. J., Lo, J. Y., Kim, D. H., Taylor, A. J., Winter, T. C. & Hinshaw, J. L., Oct 1 2008, In : Radiology. 249, 1, p. 151-159 9 p.

Research output: Contribution to journalArticle

Computed Tomographic Colonography
Economics
Costs and Cost Analysis
Confidence Intervals
Health Insurance Portability and Accountability Act
36 Citations (Scopus)

Untangling research puzzles in Merton's multilevel anomie theory

Baumer, E. P., Jan 1 2007, In : Theoretical Criminology. 11, 1, p. 63-93 31 p.

Research output: Contribution to journalArticle

Anomie
anomie
Social Conditions
Crime
Research
3 Citations (Scopus)

Untangling the complex relationships between symptoms of schizophrenia and emotion dynamics in daily life: Findings from an experience sampling pilot study

Westermann, S., Grezellschak, S., Oravecz, Z., Moritz, S., Lüdtke, T. & Jansen, A., Nov 1 2017, In : Psychiatry Research. 257, p. 514-518 5 p.

Research output: Contribution to journalArticle

Sampling Studies
Life Change Events
Schizophrenia
Emotions
Arousal
Hope
Climate Change
Education
Research
Communication
7 Citations (Scopus)

Untangling the effects of root age and tissue nitrogen on root respiration in Populus tremuloides at different nitrogen supply

Ceccon, C., Tagliavini, M., Schmitt, A. O. & Eissenstat, D., May 15 2016, In : Tree Physiology. 36, 5, p. 618-627 10 p.

Research output: Contribution to journalArticle

Populus
Populus tremuloides
Respiration
Nitrogen
nitrogen
8 Citations (Scopus)

Untrained paraprofessionals' verbal helping behavior - Description and implications for training

D'Augelli, A. R., Danish, S. J. & Brock, G. W., Sep 1 1976, In : American Journal of Community Psychology. 4, 3, p. 275-282 8 p.

Research output: Contribution to journalArticle

Helping Behavior
Verbal Behavior
Allied Health Personnel
interpersonal relation
language behavior

Untrusted Caches in Two-layer Networks

Zewail, A. A. & Yener, A., Jul 2019, 2019 IEEE International Symposium on Information Theory, ISIT 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1-5 5 p. 8849365. (IEEE International Symposium on Information Theory - Proceedings; vol. 2019-July).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Network layers
Cache
Servers
Relay
Cache memory
229 Citations (Scopus)

Unusual broad absorption line quasars from the Sloan Digital Sky Survey

Hall, P. B., Anderson, S. F., Strauss, M. A., York, D. G., Richards, G. T., Fan, X., Knapp, G. R., Schneider, D. P., Vanden Berk, D. E., Geballe, T. R., Bauer, A. E., Becker, R. H., Davis, M., Rix, H. W., Nichol, R. C., Bahcall, N. A., Brinkmann, J., Brunner, R., Connolly, A. J., Csabai, I. & 33 others, Doi, M., Fukugita, M., Gunn, J. E., Haiman, Z., Harvanek, M., Heckman, T. M., Hennessy, G. S., Inada, N., Ivezić, Ž., Johnston, D., Kleinman, S., Krolik, J. H., Krzesinski, J., Kunszt, P. Z., Lamb, D. Q., Long, D. C., Lupton, R. H., Miknaitis, G., Munn, J. A., Narayanan, V. K., Neilsen, E., Newman, P. R., Nitta, A., Okamura, S., Pentericci, L., Pier, J. R., Schlegel, D. J., Snedden, S., Szalay, A. S., Thakar, A. R., Tsvetanov, Z., White, R. L. & Zheng, W., Aug 1 2002, In : Astrophysical Journal, Supplement Series. 141, 2, p. 267-309 43 p.

Research output: Contribution to journalReview article

quasars
continuums
troughs
trough
gas ionization
21 Citations (Scopus)

Unusual central engine activity in the double burst GRB 110709B

Zhang, B. B., Burrows, D. N., Zhang, B., Mészáros, P., Wang, X. Y., Stratta, G., D'Elia, V., Frederiks, D., Golenetskii, S., Cummings, J. R., Norris, J. P., Falcone, A. D., Barthelmy, S. D. & Gehrels, N., Apr 1 2012, In : Astrophysical Journal. 748, 2, 132.

Research output: Contribution to journalArticle

gamma ray bursts
engines
bursts
engine
accretion
30 Citations (Scopus)

Unusual chemical behavior for potassium under pressure: Potassium-silver compounds

Atou, T., Hasegawa, M., Parker, L. J. & Badding, J. V., Dec 1 1996, In : Journal of the American Chemical Society. 118, 48, p. 12104-12108 5 p.

Research output: Contribution to journalArticle

Potassium Compounds
Silver Compounds
Silver compounds
Alkali Metals
Alkali metals
24 Citations (Scopus)

Unusual combinatorial involvement of poly-A/T tracts in organizing genes and chromatin in Dictyostelium

Chang, G. S., Noegel, A. A., Mavrich, T. N., Müller, R., Tomsho, L., Ward, E., Felder, M., Jiang, C., Eichinger, L., Glöckner, G., Schuster, S. C. & Pugh, B. F., Jun 1 2012, In : Genome research. 22, 6, p. 1098-1106 9 p.

Research output: Contribution to journalArticle

Dictyostelium
Nucleosomes
Chromatin
Genes
Amoebozoa
32 Citations (Scopus)

Unusual elastic constants of cubic MnTe in strained-layer superlattices measured by X-ray diffraction

Buschert, J. R., Peiris, F. C., Samarth, N., Luo, H. & Furdyna, J. K., Jan 1 1994, In : Physical Review B. 49, 7, p. 4619-4622 4 p.

Research output: Contribution to journalArticle

superlattices
elastic properties
zinc
diffraction
x rays
24 Citations (Scopus)

Unusual heavy-mass nearly ferromagnetic state with a surprisingly large Wilson ratio in the double layered ruthenates (Sr1-x Cax) 3 Ru2 O7

Qu, Z., Spinu, L., Yuan, H., Dobrosavljević, V., Bao, W., Lynn, J. W., Nicklas, M., Peng, J., Liu, T., Fobes, D., Flesch, E. & Mao, Z. Q., Nov 14 2008, In : Physical Review B - Condensed Matter and Materials Physics. 78, 18, 180407.

Research output: Contribution to journalArticle

Spin glass
spin glass
Fermi surface
Hall effect
Freezing
16 Citations (Scopus)

Unusual interlayer quantum transport behavior caused by the zeroth Landau level in YbMnBi2

Liu, J. Y., Hu, J., Graf, D., Zou, T., Zhu, M., Shi, Y., Che, S., Radmanesh, S. M. A., Lau, C. N., Spinu, L., Cao, H. B., Ke, X. & Mao, Z. Q., Dec 1 2017, In : Nature communications. 8, 1, 646.

Research output: Contribution to journalArticle

Open Access
Cyclotrons
Fermions
Magnetic Fields
interlayers
Fruit
7 Citations (Scopus)

Unusually high dispersion of nitrogen-doped carbon nanotubes in DNA solution

Kim, J. H., Kataoka, M., Fujisawa, K., Tojo, T., Muramatsu, H., Vega-Díaz, S. M., Tristán-López, F., Hayashi, T., Kim, Y. A., Endo, M., Terrones, M. & Dresselhaus, M. S., Dec 8 2011, In : Journal of Physical Chemistry B. 115, 48, p. 14295-14300 6 p.

Research output: Contribution to journalArticle

Carbon Nanotubes
Multiwalled carbon nanotubes (MWCN)
Carbon nanotubes
DNA
Nitrogen
12 Citations (Scopus)

Unusually long duration, multiple-doppler radar observations of front in a convective boundary layer

Stonitsch, J. R. & Markowski, P. M., Jan 1 2007, In : Monthly Weather Review. 135, 1, p. 93-117 25 p.

Research output: Contribution to journalArticle

convective boundary layer
Doppler radar
updraft
vortex
convection
8 Citations (Scopus)

Unusually strong lateral interaction in the CO overlayer in phosphorene-based systems

Politano, A., Vitiello, M. S., Viti, L., Hu, J., Mao, Z., Wei, J., Chiarello, G. & Boukhvalov, D. W., Sep 1 2016, In : Nano Research. 9, 9, p. 2598-2605 8 p.

Research output: Contribution to journalArticle

Carbon Monoxide
Vibrational spectra
Adsorption
Density functional theory
Vibrational spectroscopy
55 Citations (Scopus)

Unusual mitochondrial genome organization in cytoplasmic male sterile common bean and the nature of cytoplasmic reversion to fertility

Janska, H. & Mackenzie, S., Nov 9 1993, In : Genetics. 135, 3, p. 869-879 11 p.

Research output: Contribution to journalArticle

Mitochondrial Genome
Fertility
Chromosomes
Genetic Recombination
Genome
10 Citations (Scopus)

Unusual nonlinear response of some metallic materials

Gil, C. M., Lissenden, C. J. & Lerch, B. A., Sep 1999, In : Mechanics of Materials. 31, 9, p. 565-577 13 p.

Research output: Contribution to journalArticle

stiffening
Inconel (trademark)
Titanium
Nickel
Silicon carbide
8 Citations (Scopus)

Unusual oscillation in tunneling magnetoresistance near a quantum critical point in Sr3Ru2O7

Hooper, J., Mao, Z., Perry, R. & Maeno, Y., Jun 25 2004, In : Physical Review Letters. 92, 25 I, p. 257206-1-257206-4 250401.

Research output: Contribution to journalArticle

critical point
electron tunneling
oscillations
cryostats
Fermi surfaces
7 Citations (Scopus)

Unusual pheromone receptor neuron responses in heliothine moth antennae derived from inter-species imaginal disc transplantation

Ochieng, S. A., Poole, K., Linn, C. E., Vickers, N. J., Roelofs, W. L. & Baker, T. C., Jan 1 2003, In : Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology. 189, 1, p. 19-28 10 p.

Research output: Contribution to journalArticle

Pheromone Receptors
Olfactory Receptor Neurons
Imaginal Discs
imaginal discs
Sensilla
2 Citations (Scopus)

Unusual physical behaviour and polymorphic phase transitions in crystalline bicyclic anhydrides

Jezowski, S. R., Monaco, S., Yennawar, H. P., Wonderling, N. M., Mathers, R. T. & Schatschneider, B., Jan 1 2017, In : CrystEngComm. 19, 2, p. 276-284 9 p.

Research output: Contribution to journalArticle

Anhydrides
anhydrides
melting points
Melting point
Phase transitions
97 Citations (Scopus)

Unusual radio source MG1131+0456: A possible Einstein ring

Hewitt, J. N., Turner, E. L., Schneider, D. P., Burke, B. F., Langston, G. I. & Lawrence, C. R., Jan 1 1988, In : Nature. 333, 6173, p. 537-540 4 p.

Research output: Contribution to journalArticle

rings
arcs
continuums
84 Citations (Scopus)

Unusual resistance hysteresis in n-layer graphene field effect transistors fabricated on ferroelectric Pb(Zr0.2Ti0.8)O3

Hong, X., Hoffman, J., Posadas, A., Zou, K., Ahn, C. H. & Zhu, J., Jul 19 2010, In : Applied Physics Letters. 97, 3, 033114.

Research output: Contribution to journalArticle

graphene
field effect transistors
hysteresis
metastable state
time constant
57 Citations (Scopus)

Unusual structure, bonding and properties in a californium borate

Polinski, M. J., Garner, E. B., Maurice, R., Planas, N., Stritzinger, J. T., Parker, T. G., Cross, J. N., Green, T. D., Alekseev, E. V., Van Cleve, S. M., Depmeier, W., Gagliardi, L., Shatruk, M., Knappenberger, K. L., Liu, G., Skanthakumar, S., Soderholm, L., Dixon, D. A. & Albrecht-Schmitt, T. E., May 2014, In : Nature Chemistry. 6, 5, p. 387-392 6 p.

Research output: Contribution to journalArticle

Californium
Borates
Actinoid Series Elements
Actinides
Lanthanoid Series Elements

Unusual structure, bonding and properties in a californium borate.

Polinski, M. J., Garner, E. B., Maurice, R., Planas, N., Stritzinger, J. T., Parker, T. G., Cross, J. N., Green, T. D., Alekseev, E. V., Van Cleve, S. M., Depmeier, W., Gagliardi, L., Shatruk, M., Knappenberger, K. L., Liu, G., Skanthakumar, S., Soderholm, L., Dixon, D. A. & Albrecht-Schmitt, T. E., Jan 1 2014, In : Nature Chemistry. 6, 5, p. 387-392 6 p.

Research output: Contribution to journalArticle

Californium
Borates
Actinoid Series Elements
Actinides
Lanthanoid Series Elements
25 Citations (Scopus)

Unusual Synthetic Pathway for an {Fe(NO)2}9 Dinitrosyl Iron Complex (DNIC) and Insight into DNIC Electronic Structure via Nuclear Resonance Vibrational Spectroscopy

Speelman, A. L., Zhang, B., Silakov, A., Skodje, K. M., Alp, E. E., Zhao, J., Hu, M. Y., Kim, E., Krebs, C. & Lehnert, N., Jun 6 2016, In : Inorganic Chemistry. 55, 11, p. 5485-5501 17 p.

Research output: Contribution to journalArticle

Vibrational spectroscopy
Electronic structure
electronic structure
iron
spectroscopy
1 Citation (Scopus)

Unusual thermal response of tellurium near-infrared luminescence in phosphate laser glass

Tan, L., Mauro, J., Xu, S., Yang, Z. & Peng, M., Oct 1 2018, In : Optics Letters. 43, 19, p. 4823-4826 4 p.

Research output: Contribution to journalArticle

glass lasers
tellurium
phosphates
luminescence
glass
47 Citations (Scopus)

Unusual water vapor adsorption behavior of montmorillonite pillared with ceramic oxides

Malla, P., Yamanaka, S. & Komarneni, S., Jan 1 1989, In : Solid State Ionics. 32-33, PART 1, p. 354-362 9 p.

Research output: Contribution to journalArticle

Bentonite
Steam
montmorillonite
Clay minerals
Oxides
24 Citations (Scopus)

Unusual wavy weld pool boundary from dimensional analysis

Arora, A., Roy, G. G. & Debroy, T., Jan 1 2009, In : Scripta Materialia. 60, 2, p. 68-71 4 p.

Research output: Contribution to journalArticle

dimensional analysis
Prandtl number
Liquid metals
Solidification
Flow of fluids
22 Citations (Scopus)

Unveiling 3D Deformations in Polymer Composites by Coupled Micro X-Ray Computed Tomography and Volumetric Digital Image Correlation

Croom, B., Wang, W. M., Li, J. & Li, X., Jul 1 2016, In : Experimental Mechanics. 56, 6, p. 999-1016 18 p.

Research output: Contribution to journalArticle

Tomography
X rays
Composite materials
Polymers
Rivets
35 Citations (Scopus)

Unveiling a population of galaxies harboring low-mass black holes with X-rays

Schramm, M., Silverman, J. D., Greene, J. E., Brandt, W. N., Luo, B., Xue, Y. Q., Capak, P., Kakazu, Y., Kartaltepe, J. & Mainieri, V., Aug 20 2013, In : Astrophysical Journal. 773, 2, 150.

Research output: Contribution to journalArticle

galaxies
x rays
stellar mass
estimates
Hubble Space Telescope
1 Citation (Scopus)

Unveiling Carbon Ring Structure Formation Mechanisms in Polyacrylonitrile-Derived Carbon Fibers

Zhu, J., Gao, Z., Kowalik, M., Joshi, K., Ashraf, C. M., Arefev, M. I., Schwab, Y., Bumgardner, C., Brown, K., Burden, D. E., Zhang, L., Klett, J. W., Zhigilei, L. V., Van Duin, A. C. T. & Li, X., Nov 13 2019, In : ACS Applied Materials and Interfaces. 11, 45, p. 42288-42297 10 p.

Research output: Contribution to journalArticle

Polyacrylonitriles
Carbon fibers
Carbonization
Carbon
Electric vehicles

Unveiling non-equilibrium metallurgical phases in dissimilar Al-Cu joints processed by vaporizing foil actuator welding

Wang, K., Shang, S. L., Wang, Y., Vivek, A., Daehn, G., Liu, Z. K. & Li, J., Jan 15 2020, In : Materials and Design. 186, 108306.

Research output: Contribution to journalArticle

Open Access
Vaporization
Metal foil
Welding
Actuators
Intermetallics
28 Citations (Scopus)

Unveiling recurrent jets of the ULX holmberg II X-1: Evidence for a massive stellar-mass black hole?

Cseh, D., Kaaret, P., Corbel, S., Grisé, F., Lang, C., Körding, E., Falcke, H., Jonker, P. G., Miller-Jones, J. C. A., Farrell, S., Yang, Y. J., Paragi, Z. & Frey, S., Mar 1 2014, In : Monthly Notices of the Royal Astronomical Society: Letters. 439, 1, p. L1-L5 slt166.

Research output: Contribution to journalArticle

radioactivity
stellar mass
radio
erg
radio spectra