Location-Aware POI Recommendation for Indoor Space by Exploiting WiFi Logs

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/misy/volume-2017/9601404/figures/9601404.fig.004a.svgz" name="9601404.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>The accuracy with different user-specific threshold (<svg height="9.49473pt" id="M294" style="vertical-align:-0.2063999pt" version="1.1" viewbox="-0.0498162 -9.28833 6.59789 9.49473" width="6.59789pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M475 507C475 612 440 712 326 712C139 712 23 420 23 215C23 96 58 -12 180 -12C369 -12 475 293 475 507ZM391 522C391 486 387 448 379 394H126C155 538 222 677 310 677C386 677 391 571 391 522ZM373 346C344 193 283 22 189 22C126 22 106 114 106 196C106 243 111 293 118 346H373Z" id="g113-230"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="498" vert-adv-y="498" xpluscharwidth="6.474"></glyph.data></g></svg>)</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/misy/volume-2017/9601404/figures/9601404.fig.004b.svgz" name="9601404.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>The accuracy with different time window sizes (<svg height="9.63826pt" id="M295" style="vertical-align:-0.3499298pt" version="1.1" viewbox="-0.0498162 -9.28833 32.8301 9.63826" width="32.8301pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M412 140C382 77 369 73 315 73H129L270 222C362 320 402 379 402 466C402 571 322 635 234 635C177 635 130 609 99 576L42 495L64 475C90 514 133 568 201 568C274 568 318 519 318 435C318 349 255 267 193 193C144 135 87 78 32 23V0H405C417 45 427 89 440 131L412 140Z" id="g113-51"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="480" vert-adv-y="480" xpluscharwidth="6.24"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,6.24,0)"><path d="M499 88L487 113C459 86 422 65 413 65C403 65 403 74 409 98L461 318C487 426 460 448 431 448C408 448 383 441 352 424C305 398 223 344 157 257H155L243 674C249 702 249 712 240 712C227 712 170 680 87 673L82 648H117C155 648 162 644 150 590L23 -4L30 -12C55 -4 81 3 105 8C113 53 131 150 143 187C199 281 323 387 372 387C390 387 393 369 380 311L328 86C313 19 319 -12 347 -12C379 -12 442 24 499 88Z" id="g113-105"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="516" vert-adv-y="516" xpluscharwidth="12.948"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,15.854,0)"><path d="M535 230V280H323V490H265V280H52V230H265V-3H323V230H535Z" id="g117-36"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="587" vert-adv-y="587" xpluscharwidth="23.485"></glyph.data></g><g transform="matrix(.013,0,0,-0.013,26.39,0)"><path d="M384 0V27C293 34 287 42 287 114V635C232 613 172 594 109 583V559L157 557C201 555 205 550 205 499V114C205 42 199 34 109 27V0H384Z" id="g113-50"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="480" vert-adv-y="480" xpluscharwidth="32.63"></glyph.data></g></svg>)</td></tr><tr class="fig-image" id="c"><td><object data="https://static-preview.hindawi.com/articles/misy/volume-2017/9601404/figures/9601404.fig.004c.svgz" name="9601404.fig.004c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>The accuracy with different sampling rates</td></tr></table>

<div>The accuracy with different parameters.</div>

Mobile Information Systems

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Figure 4

Figure 4: Location-Aware POI Recommendation for Indoor Space by Exploiting WiFi Logs 