Title	Impact of Link Delay Variation on MQTT and CoAP based Communication Performances in Mobile Environment
Author	OUAKASSE Fathia and RAKRAK Said
Citation	Vol. 17  No. 8  pp. 187-193
Keywords	MQTT, CoAP, Link Delay, Packet Loss, Performance, Mobile Environment.

Title	Educational Robotics: Comparative Study and Amendments
Author	M. Alshehri, Sunil Kumar Sharma
Citation	Vol. 17  No. 8  pp. 182-186
Keywords	Education Robotics, Structure Design and working, Biases Solving.

Title	Classification of Mathematical Expressions for Visually Impaired People
Author	Zahra ASEBRIY, Said RAGHAY, Omar BENCHAREF
Citation	Vol. 17  No. 8  pp. 177-181
Keywords	Braille code MathML Deep learning Translator Braille

Title	Novel method for users’ profiles construction through collaborative filtering
Author	Oumayma BANOUAR†, Said RAGHAY†
Citation	Vol. 17  No. 8  pp. 170-176
Keywords	Personalization, enrichment, user query, user profile, collaborative filtering, bi-clustering, matrix completion, aggregation, assignment function.