⊿ Point. {R} Glossary. ◢ Keyword: U. ▰ Sources. 〓 Books [B] ◥ University. {q} PhD. ⏫ THEMES. ⏫ Big Data. [B] Big Data. ⚫ USA. ↂ EndNote. ☢️ Structured. ☝️ BD Dummies. Unstructured Data. Information without a formal data model In 1998, Merrill Lynch said "unstructured data comprises the vast majority of data found in an organization, some estimates run as high as 80%.
"[1] It's unclear what the source of this number is, but nonetheless it is accepted by some.[2] Other sources have reported similar or higher percentages of unstructured data.[3][4][5] As of 2012[update], IDC and Dell EMC project that data will grow to 40 zettabytes by 2020, resulting in a 50-fold growth from the beginning of 2010.[6] More recently, IDC and Seagate predict that the global datasphere will grow to 163 zettabytes by 2025 [7] and majority of that will be unstructured. The Computer World magazine states that unstructured information might account for more than 70–80% of all data in organizations.[1] Issues with terminology [edit] The term is imprecise for several reasons: Dealing with unstructured data Approaches in natural language processing Approaches in medicine and biomedical research.