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Speed-ANN: Low-Latency and High-Accuracy Nearest Neighbor Search via Intra-Query Parallelism
[article]
2022
arXiv
pre-print
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Besides, with multicore support, we show that our approach offers faster search latency than highly-optimized GPU implementation and provides good scalability as the increase of the number of hardware ...
multiple CPU cores to significantly accelerate search speed while achieving high accuracy. ...
More specifically, with the growth of dataset size, the speedup of Speed-ANN over NSG and HNSW increases. ...
arXiv:2201.13007v1
fatcat:4qiod7i2affi3itzxehpagtv3y
Human search with a limited field of view: the effect of scanning parameters and scene content
2002
Targets and Backgrounds VIII: Characterization and Representation
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Predefined (horizontal) scan paths were used with constant speed. The subjects hit a button as soon as the target was spotted. ...
These findings can be used in future models of search performance with a limited FOV. ...
The peak height decreases with increasing speed and zoom factor reflecting the decrease in overall detection probability with increasing speed and zoom factor. ...
doi:10.1117/12.478833
fatcat:snxkg6fsnrbnncjklhdqvqt2x4
No need for inhibitory tagging of locations in visual search
2009
Psychonomic Bulletin & Review
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accumulation and storage of information about search items. ...
This result demonstrates that inhibitory tagging of locations is not necessary for successful search, and it provides a challenge to any models of visual search that use a fixed location as the index during ...
If inhibitory tagging of locations is a necessary mechanism in visual search, search slopes under such conditions should increase with increasing speed. ...
doi:10.3758/pbr.16.1.116
pmid:19145020
fatcat:skvfm2bjkfbxfh2p4t65lorray
No need for inhibitory tagging of locations in visual search
2010
Journal of Vision
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accumulation and storage of information about search items. ...
This result demonstrates that inhibitory tagging of locations is not necessary for successful search, and it provides a challenge to any models of visual search that use a fixed location as the index during ...
If inhibitory tagging of locations is a necessary mechanism in visual search, search slopes under such conditions should increase with increasing speed. ...
doi:10.1167/9.8.1202
fatcat:hksm7q54kvgd3c5p6ki4awhkxq
Relative Performance of Geometric Search Algorithms for Interpolating Unstructured Mesh Data
[chapter]
2003
Lecture Notes in Computer Science
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digital tree or nearest neighbour searches-with only modest setup times and storage requirements. ...
Using tetrahedral finite element models we show that a structured auxiliary mesh (SAM) algorithm can achieve search speeds well in excess of 100,000 points/sec-at least an order of magnitude better than ...
Fig. 4 confirms that increases in search speed are obtained at the cost of increased storage and/or setup times. ...
doi:10.1007/978-3-540-39903-2_48
fatcat:e46tuhttzvbn5gbd73pr23i4zy
Investigation of Optimum TTL Threshold value for Route Discovery in AODV
2013
International Journal of Computer Applications
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and nodes speed. ...
MANETs are in general characterized by mobile nodes with limited energy, constrained computing capability and absence of any base stations. ...
Total Route Replies Sent from Destination
Effect of node density with respect to node speed on expanding Ring search In this section, effect of node density with respect to node speed on expanding ring ...
doi:10.5120/13773-1643
fatcat:b4zpspyevzfuhk45midjv7umdy
Comparative analysis of movement characteristics during dead-reckoning-based navigation in humans and rats
2006
Journal of Comparative Psychology
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with impairments in returning to the start location. ...
Although both species exhibited a high degree of similarity in searching path movement organization and ability to return to the start location, disruption of human searching path organization was associated ...
As one might anticipate, increases in searching time were associated with longer path distances and increased path circuity. ...
doi:10.1037/0735-7036.120.4.331
pmid:17115854
fatcat:b653j55ivrhurbxvjowwqavdtq
Eye movements reveal how task difficulty moulds visual search
2013
Journal of Experimental Psychology: Human Perception and Performance
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Moreover, we estimated the functional visual field (FVF) from the gaze coordinates and found that its size during visual search shrinks with increasing task difficulty. ...
The experiment also revealed that breakdown in robustness against item motion is related to item-by-item search, rather than search difficulty per se. ...
Following Hulleman (2010) , we expected an effect of item speed on manual performance only for difficult search, with an increase in errors in the moving item condition. ...
doi:10.1037/a0028679
pmid:22642215
fatcat:cwy6djxrhfdchj4akmtp2oo3s4
Attention speeds processing across eccentricity: Feature and conjunction searches
2006
Vision Research
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Information processing was slower with more complex conjunction searches than with simpler feature searches, and overall it was faster at peripheral (9°) than parafoveal (4°) locations in both search types ...
We used speed-accuracy tradeoff procedures to derive conjoint measures of the speed of information processing and accuracy in each search task. ...
First, we report that speed of information processing was slower with more complex conjunction searches than with simpler feature searches. ...
doi:10.1016/j.visres.2005.12.015
pmid:16481020
pmcid:PMC2871539
fatcat:u5cqs75tbrerrarais46fr6fkq
Reduced comparison speed during visual search in late life depression
2013
Journal of Clinical and Experimental Neuropsychology
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To better differentiate processing speed components in LLD, we examined characteristics of visual search performance in 32 LLD and 32 control participants. ...
Data showed specific slowing in the comparison stage of visual search in LLD, rather than in encoding/response stages, but also greater overall slowing in LLD during inefficient versus efficient search ...
We also thank Kyle Heidtman and Scott Davis for their assistance with manuscript preparation. ...
doi:10.1080/13803395.2013.856381
pmid:24219302
pmcid:PMC3869571
fatcat:fz6za2seunh7bgkg72fe3yx7i4
Accuracy and speed strategies in scanning active memory
1974
Memory & Cognition
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Errors increased from about 1% with accuracy payoff to 19% with speed payoff. Under speed payoff most of the errors were false positives for the familiar set and false negatives for the infinite set. ...
The speed payoff reduced the constant component of latencies and, contrary to previous findings, increased the rate of memory search for both sets. ...
Errors in the memory search process will also explain the overall increase in error rate with set size. ...
doi:10.3758/bf03198131
pmid:24203730
fatcat:mqlxr6l2ovd45bzhfzh6n4dezq
Users' searching behaviour in using online databases at Vietnam National University – Ho Chi Minh City
2012
Library Management
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S Providing identifications of users search behaviours, their difficulties and expectations that can help in assisting uses in using online databases more effectively. ...
Introduction to the study S Background S Staring provision of online databases in 2005 S Promoting more services in 2009 S The usage of databases has been steadily increased, but still is scarce S Purpose ...
or options of search interfaces
S Spending a lot of time for browsing and reading
S Speed of online transmission
Users' expectations
S Upgrading infrastructures
S Increasing the speed of data ...
doi:10.1108/01435121211279821
fatcat:z2ss3uh4djcwjmbtiwrghpj7pq
The Relation of Internet Searching to Club Drug Knowledge and Attitudes
2003
Psychology and Health
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The three main findings of this study were that searching increased knowledge, while normalizing risky behavior, but primarily for novices. ...
Past research suggests that Internet information on drugs such as ecstasy and speed could increase knowledge of the drugs' potential danger while at the same time making attitudes towards them more accepting ...
of each term with experimental Internet searching. ...
doi:10.1080/0887044031000080313
fatcat:jmt74tooivcwni23twv4efhr5m
Effect of turbulence on the energetics of foraging in Atlantic cod Gadus morhua larvae
2004
Marine Ecology Progress Series
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When parameterised turbulence was added, prey capture rates for a larva with a hemispherical search space increases 3 times as much as for a larva with a wedge-shaped search space (typically a 50% increase ...
Increasing the move speed multiplier to as much as 30 increases the energy requirements 30-fold (to the equivalent of 1 capture every 45 s), but reduces the search volume overlap sufficiently to increase ...
doi:10.3354/meps281241
fatcat:unra2tihyvbkzgijqjjy6vsv4a
Serial BLAST searching
2003
Bioinformatics
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Results: Serial BLAST searches improve both the speed and sensitivity. ...
Tuning parameters for speed can make the searches much faster, but one risks losing low-scoring alignments. ...
Minimizing the 2-hit distance with −A4 reduces the number of extensions, but increases speed only marginally. ...
doi:10.1093/bioinformatics/btg199
pmid:12912829
fatcat:k2bl5ushrbgz7b24nyxxayfmoi
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