Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.
APA4ort.xyz Knowledge Graph. (2026). An improved PDR system with accurate heading and step length estimation using handheld smartphone. Retrieved May 24, 2026, from https://4ort.xyz/entity/an-improved-pdr-system-with-accurate-heading-and-step-length-estimation-using-handheld-smartphone
MLA“An improved PDR system with accurate heading and step length estimation using handheld smartphone.” 4ort.xyz Knowledge Graph, 4ort.xyz, 24 May. 2026, https://4ort.xyz/entity/an-improved-pdr-system-with-accurate-heading-and-step-length-estimation-using-handheld-smartphone.
BibTeX@misc{4ortxyz_an-improved-pdr-system-with-accurate-heading-and-step-length-estimation-using-handheld-smartphone_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{An improved PDR system with accurate heading and step length estimation using handheld smartphone}}, year = {2026}, url = {https://4ort.xyz/entity/an-improved-pdr-system-with-accurate-heading-and-step-length-estimation-using-handheld-smartphone}, note = {Accessed: 2026-05-24}}
LLM promptAccording to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): An improved PDR system with accurate heading and step length estimation using handheld smartphone — https://4ort.xyz/entity/an-improved-pdr-system-with-accurate-heading-and-step-length-estimation-using-handheld-smartphone (retrieved 2026-05-24)
