... Association for Computational Linguistics Randomized Algorithms and NLP: Using Locality Sensitive Hash Function for High Speed Noun Clustering Deepak Ravichandran, Patrick Pantel, and Eduard Hovy Information ... in NLP for various applications such as clustering. In this paper, we perform high speed similarity list creation for nouns collected from a huge web corpus. We linearize this step by using the ... Locality Sensitive Hash Function; 2. Performance of fast Hamming distance search algorithm; 3. Quality of final simi- larity lists. 5.1 Evaluation of Locality sensitive Hash function To perform this...
Ngày tải lên: 08/03/2014, 04:22
... 1234 Candidate Level 2 ;1~ ~ ~ ~verb ! .~ inoun [] inoun i~ I~ i noun (b) Extracted [p) i suffix Morphemes [~]i .,~ !noun noun noun I verb ~: i nou. • '~ iverb i • Figure ... algorithm for high speed morpheme extraction, and also de- scribes its implementation on a specific machine. This machine, MEX.I, is designed as the first step 313 A HARDWARE ALGORITHM FOR HIGH ... noun ; I i ,1", ; ~'~,~: I noun ~MorphemeExtraction~l fi~ inoun ~.~ Process ,) ,ti~ inou n ~ i Morpheme Dictionary !~; postposition i su,,x !~, :verb I I I I : , ~,~ noun...
Ngày tải lên: 21/02/2014, 20:20
Báo cáo khoa học: "Online Generation of Locality Sensitive Hash Signatures" docx
... Patrick Pantel, and Eduard Hovy. 2005. Randomized Algorithms and NLP: Using Locality Sensitive Hash Functions for High Speed Noun Clustering. In Proceedings of ACL. David Talbot. 2009. Succinct approximate ... size d 3: for i := 0 . . . m − 1 do 4: P [i] := random sample from N (0, 1), using s as seed ONLINE: 1: for each word w in the stream do 2: for each feature f i associated with w do 3: for j := ... the random matrix. Possibilities for future work include the pairing of this method with algo- rithms for dynamic clustering, as well as exploring algorithms for different distances (e.g., L 2 )...
Ngày tải lên: 17/03/2014, 00:20
Báo cáo hóa học: "Research Article Design of an Omnidirectional Multibeam Transmitter for High-Speed Indoor Wireless Communications" doc
... of configuration E for light undergo- ing up to five reflections. power uniformity of the transmitter has yet to be optimized. For high performance wireless diffuse links with uniform power illumination ... receivers for high- speed infrared wireless communication,” IEEE Communications Magazine, vol. 36, no. 12, pp. 88–94, 1998. [15] T. J. Svetla and M. Kavehrad, “Multispot di using config- uration for ... 37– 45, 2004. [28] A. G. Al-Ghamdi and J. M. H. Elmirg hani, “Spot di using technique and angle diversity performance for high speed indoor di ffuse infra-red wireless transmission,” IEE Proceed- ings:...
Ngày tải lên: 21/06/2014, 17:20
Báo cáo hóa học: " Research Article VLSI Implementation of a Fixed-Complexity Soft-Output MIMO Detector for High-Speed Wireless" pptx
... Hence, the former one is assumed to target high- end users willing to pay more in area and power for performance (e.g., laptops). The MMSE single-mode detector is in favor of low-end users for connec- tivity ... always visits the complete constellation (e.g., 16 for 16-QAM and 64 for 64-QAM), while MFCSO only visits a subset of it (e.g., 9 for 16-QAM and 16 for 64-QAM). Note that MFCSO requires MMSE detection ... fixed complexity and parallelism for hard decision. In [5],alow- complexity near-MAP detection method is proposed for high- order modulation (e.g., 64-QAM). The performance loss from MAP due to the...
Ngày tải lên: 21/06/2014, 17:20
Báo cáo hóa học: " Submonolayer Quantum Dots for High Speed Surface Emitting Lasers" potx
... simultaneously to a significant lateral compositional modulation and high QD density [34], resulting in a high material and modal gain. For ultrahigh -speed directly modulated VCSEL appli- cations it is extremely ... faster [4] large signal modulation experiments have been performed at lower temperatures, but the high speed performance at 85 °C is crucial for most short-distance optical interconnect applications. Thus, ... excellent static performance, i.e. high external efficiency even at 85 °C, these devices demon- strate the potential of this novel active material for temperature stable ultra high speed VCSELs. At...
Ngày tải lên: 22/06/2014, 18:20
Báo cáo hóa học: " Research Article Towards Scalable MAC Design for High-Speed Wireless LANs" ppt
... solvable in high- speed wireless LANs, but it is clear that a straightforward approach using the centralized control prevents several difficulties. TMAC can support access cat- egories by announcing ... conditions, TMAC pro- vides more transmission opportunities for high- rate stations perceiving good channels. This feature is important for high- speed wireless LANs and mesh networks to mitigate the ... to high- speed wireless networks. The MAC de- sign in high- speed wireless networks, such as IEEE 802.11n, 8 EURASIP Journal on Wireless Communications and Networking Table 3: Analysis results for...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article V-Band Multiport Heterodyne Receiver for High-Speed Communication Systems" ppt
Ngày tải lên: 22/06/2014, 22:20
Using compensation strategies in listening for 10th form students a case study at the high school for gifted students of vinh university
Ngày tải lên: 27/12/2013, 20:26
hsdpahsupa for umts high speed radio access for mobile communications
... High- Speed Dedicated Physical Control CHannel HS-DSCH High- Speed Downlink Shared CHannel HS-PDSCH High- Speed Physical Downlink Shared CHannel HS-SCCH High- Speed Shared Control CHannel HSDPA High- Speed ... High- Speed Downlink Packet Access HSPA High- Speed Packet Access HSUPA High- Speed Uplink Packet Access Abbreviations xvii Higher cell capacity and higher spectral efficiency are required to provide higher ... radio access has evolved strongly alongside high- speed downlink packet access (HSDPA) and high- speed uplink packet access (HSUPA), together called high- speed packet access’ (HSPA). When the International...
Ngày tải lên: 01/06/2014, 09:38
Báo cáo hóa học: " Research Article Pulse Interval Modulation for Ultra-High Speed IR-UWB Communications Systems" pdf
... v th on PER performance in the presence of the MUI for 8-PIM when the code weight is w = 10 and E b /N 0 = 15 dB. It can be seen that for the optimal threshold v th = 6, the PER performance improves ... Introduction Trends in modern communication systems place high demands on low power consumption, high- speed trans- mission, and anti-interference characteristics. Therefore, impulse radio ultra-wideband (IR-UWB) ... worse performance than 2-PAM and 2-PPM, respectively. With the increase of the modulation level to L = 4, PIM has a 0.8 dB better performance than 4-PAM and 3 dB worse than 4-PPM, while for L =...
Ngày tải lên: 21/06/2014, 08:20
Báo cáo hóa học: " Research Article Development of Long-Range and High-Speed Wireless LAN for the Transmission of Telemedicine from Disaster Areas" pdf
... rate for video signal. CBR and VBR stand for constant bit rate and variable bit rate, respectively. SIF stands for source input format. HalfD1 stands for video size of 352 × 480 pixels for one ... services using a 1.2 m diameter dish, uplink speed is less than about 2 Mbps, even though downlink speed is up to 60 Mbps. In providing telemedicine, uplink speeds are an impor- tant feature since high- quality ... enable WiFi to be used in a dis- aster, we developed long-range and high- speed wireless LAN units to establish makeshift but high- speed wireless LAN net- works. These networks would establish communication...
Ngày tải lên: 22/06/2014, 06:20
Báo cáo hóa học: " Joint Downlink Power Control and Multicode Receivers for Downlink Transmissions in High Speed UMTS" pot
Ngày tải lên: 22/06/2014, 22:20
Báo cáo hóa học: " Cosine-Modulated Multitone for Very-High-Speed Digital Subscriber Lines" potx
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " A Novel High-Speed Configurable Viterbi Decoder for Broadband Access" doc
Ngày tải lên: 23/06/2014, 01:20
Báo cáo khoa hoc:" Estimating covariance functions for longitudinal data using a random regression model" potx
Ngày tải lên: 09/08/2014, 18:21
C++ Basics - Functions for All Subtasks
... 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Rule for Testing Functions Fundamental Rule for Testing Functions Test every function in a program in which every other function ... Addison-Wesley Chapter 5 Functions for All Subtasks Slide 5- 27 Copyright © 2007 Pearson Education, Inc. Publishing as Pearson Addison-Wesley swap_values revisited Using preconditions and postconditions ... Debugging Functions Each function should be tested as a separate unit Testing individual functions facilitates finding mistakes Driver programs allow testing of individual functions Once...
Ngày tải lên: 12/09/2012, 22:49
High-Speed WLANs and WLAN Security
... is a proposed standard that will increase the speed of WLANs to 108 Mbps • 802.11r is a proposed standard for fast roaming • HiperLAN/2 is a high- speed WLAN specification that is similar to the ... Band • IEEE 802.11a uses the Unlicensed National Information Infrastructure (U-NII) band – Intended for devices that provide short-range, high- speed wireless digital communications • U-NII spectrum ... transmission in parallel across several lower -speed channels 23 Summary (continued) • OFDM uses 48 of the 52 subchannels for data, while the remaining four are used for error correction – Number of errors...
Ngày tải lên: 13/09/2012, 10:52