id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
epaa-3037	Wang, Yinying	Education policy research in the big data era: Methodological frontiers, misconceptions, and challenges	2017	24	.pdf	application/pdf	12565	647	46	Social big data: Recent achievements and new challenges. Big questions for social media big data: Representativeness, validity and other methodological pitfalls.	cache/epaa-3037.pdf	txt/epaa-3037.txt