diff --git a/_stds/ADL-IEEE-SCORM.md b/_stds/ADL-IEEE-SCORM.md
index d9dce42..1b72b8e 100644
--- a/_stds/ADL-IEEE-SCORM.md
+++ b/_stds/ADL-IEEE-SCORM.md
@@ -1,12 +1,12 @@
 ---
-title: SCORM
-stdurl: https://www.adlnet.gov/scorm/
+title: SCORM (IEEE 1484.11.1-2022)
+stdurl: https://standards.ieee.org/ieee/1484.11.1/10324/
 stdtype: Tech
-org: ADL/IEEE
+org: IEEE
 types: "Content"
 datalayers: "2,3"
 uses: "HTML,JavaScript"
-context: "HigherEd,Workforce,Military"
-provenance: EdMatrix 1.0
+context: "Any"
+provenance: IEEE
 ---
-**Sharable Content Object Reference Model:** A format for developing and publishing reusable digital learning resources for use in learning management systems and other learning environments.
\ No newline at end of file
+**Sharable Content Object Reference Model (IEEE 1484.11.1-2022):** A format for developing and publishing reusable digital learning resources for use in learning management systems and other learning environments.
diff --git a/_stds/IEEE-LTSC-Defining_Competencies b/_stds/IEEE-LTSC-Defining_Competencies
new file mode 100644
index 0000000..13ef777
--- /dev/null
+++ b/_stds/IEEE-LTSC-Defining_Competencies
@@ -0,0 +1,12 @@
+---
+title: IEEE Defining Competencies (IEEE 1484.20.2)
+stdurl: https://standards.ieee.org/ieee/1484.20.2/10743/
+stdtype: Practice
+org: IEEE
+types: "Competency"
+datalayers: 
+uses:
+context: "Any"
+provenance: IEEE
+---
+**IEEE Recommended Practice for Defining Competencies (IEEE 1484.20.2):** Recommended practices are given for defining the kinds of information that IEEE 1484.20.3-2023 encodes as interoperable data, i.e., data that defines a skill, knowledge, ability, attitude, habit of practice, behavior, or learning outcome.
diff --git a/_stds/IEEE-LTSC-SCD.md b/_stds/IEEE-LTSC-SCD.md
new file mode 100644
index 0000000..a592c21
--- /dev/null
+++ b/_stds/IEEE-LTSC-SCD.md
@@ -0,0 +1,12 @@
+---
+title: SCD
+stdurl: https://opensource.ieee.org/scd/scd
+stdtype: Tech
+org: IEEE LTSC
+types: "Competency"
+datalayers: "1,2,3"
+uses: "RDF,TTL,JSON-LD"
+context: "Any"
+provenance: IEEE
+---
+**Sharable Competency Definition:** This standard includes an extensible data model with key classes: Competency Framework, Competency Definition, Resource Association, Rubric, Rubric Criterion, Rubric Criterion Level and the relationships between them. Open source resources include a JSON-LD Context file and examples.
diff --git a/_stds/ADL-IEEE-xAPI.md b/_stds/IEEE-LTSC-xAPI.md
similarity index 55%
rename from _stds/ADL-IEEE-xAPI.md
rename to _stds/IEEE-LTSC-xAPI.md
index 4e67da3..ad069ac 100644
--- a/_stds/ADL-IEEE-xAPI.md
+++ b/_stds/IEEE-LTSC-xAPI.md
@@ -1,12 +1,12 @@
 ---
-title: xAPI
-stdurl: https://www.adlnet.gov/xapi
+title: IEEE xAPI (IEEE 92741.1.1-2023)
+stdurl: https://opensource.ieee.org/xapi
 stdtype: Tech
-org: ADL/IEEE
+org: IEEE
 types: "Event"
 datalayers: "4"
 uses:
-context: "K-12,HigherEd,Workforce,Military"
-provenance: EdMatrix 1.0
+context: "Any"
+provenance: IEEE
 ---
 **Experience API:** A protocol for reporting and tracking learning activities and student experiences.