Báo cáo hóa học: "Research Article Profile-Based Focused Crawling for Social Media-Sharing Websites" potx

... the ad hoc sensor network for local- ization assistance [13]. An example for the latter scenario is assistance for maintenance and deployment of sensor nodes as well as for task and resource allocation ... is responsible for network-centric reprogramming and modules for the profile-matching process itself. 5. COMMUNICATION PROTOCOL Figure 9 depicts the communication protocol used...

Ngày tải lên: 22/06/2014, 22:20

... the ad hoc sensor network for local- ization assistance [13]. An example for the latter scenario is assistance for maintenance and deployment of sensor nodes as well as for task and resource allocation ... source files. For example, a module may consist of various submodules that can be found in multiple nesC files. For profile matching, the name of the description in the profile is i...

Ngày tải lên: 22/06/2014, 22:20

... generally used for research which is a vehicle for further development, for verification of algorithms, or ideas under real-world or real-time conditions. This results in the requirement for scalability, ... lab to evaluate system performance. The DBF measurement result is presented in this section. A single-tone test is performed for the evaluation of the UKM testbed performance. An...

Ngày tải lên: 21/06/2014, 22:20

... when the number of RVs in the model is reduced. For the baseline model, there are 6 (for LOS) or 5 (for NLOS) RVs, that is, 5 (for LOS) or 4 (for NLOS) random LSPs and the random XPR. With SM-E, ... C 5% 0 <5% 0 <5% SNR shift for SER of 10 −2 0 <1dB 0 <0.5 dB LCR for outage below 10% Approximately equal for the indoor LOS case. Again, the performance variation due to b...

Ngày tải lên: 21/06/2014, 23:20

... values estimated for the required minimum operating frequencies. Two main clusters of points can be identified in the plot of Figure 7: the one for the QCIF and the one for the CIF for- mat. The former format ... (30 fps) for the QCIF and CIF image formats by using any fast or adaptive search algo- rithms, except the 4SS for CIF images (see Ta ble 3). More- over, the minimum throug...

Ngày tải lên: 22/06/2014, 19:20

... systems Storage facility Financial institution Basic commercial vehicle Basic vehicle Payment Payment request Route request Route information Transit schedules Transit requests Vehicle status Traffic Incident notification Incident notification Route information Route information Priority request Figure 1: Article ... are also secure; therefore, our protocol is secure. 5. Conclusions In this...

Ngày tải lên: 23/06/2014, 00:20

... comparisons of focused crawling and breadth-first crawling for two crawling topics, “flowers” and “nyc,” respectively. We can see that our harvest ratio for profile-based focused crawling exceeds ... the final crawling topic. 7. Profile-Based Focused Crawling System We developed a two-stage crawling process that includes a cotagging topic discovery stage and a profile-b...

Ngày tải lên: 22/06/2014, 01:20

... N, for random r j , j =0, 1, , l,0<i≤ N. (11) In other words, for all search items {P 0 , P 1 , , P l } we have the following general terms for the corresponding query sequences C π j (t) ,forj ... C, r) back to the reader, which will forward these values to the server, where EPC i is electronic product code and CRC stands for cyclic redundancy code. For each tuple (EPC i , K i )...

Ngày tải lên: 21/06/2014, 05:20

... the same for the uniform power delay profile and some exponential po wer delay profiles we tested. Hence, a common optimal Chu sequence can be used forbothchannelPDP’s.ThisisnotthecasefortheS&H sequences. Figure ... Comparison of CFO estimation using differ ent N = 36 CAZAC sequences for L = 18 channel for uniform power delay profile. variables uniformly distributed between [−0.5, 0.5]....

Ngày tải lên: 21/06/2014, 05:20

... s 1 [m 2 ] (for 2 )ors 2 [n 1 ] ⊕ s 2 [m 2 ] (for 3 ). (e.g., s 1 [3] ⊕ s 1 [5] in the above example) (4) For the remaining lost packets at D 1 and D 2 that R receives successfully but cannot perform the ... information to destination without relaying technique. RT protocol represents the model where relay participates in the transmission but NC is not performed at the relay (e.g., decode...

Ngày tải lên: 21/06/2014, 05:20