diff --git a/Makefile b/Makefile
index 27e9f8ff09ce2579b9b3d3aed3367e18a254b4fd..79bd0aca2aa012998befd4254ab0eb4a185611fb 100644
--- a/Makefile
+++ b/Makefile
@@ -394,14 +394,29 @@ endef
 %.accuracy-results-human: $(INPUT_HUMAN_JUDGEMENTS_UPSCALED_HIGH_CONFIDENCE_FILENAMES) $(OUTPUT_RELEVANT_PAGES) $(INPUT_HUMAN_JUDGEMENTS_DIRNAME) %
 	$(PYTHON_RUN) scripts.evaluate_accuracy $^ $@ $@.difficult-pages
 
-%.language-detection-page-results-lowres: $(INPUT_UPSCALED_HIGH_CONFIDENCE_FILENAMES) $(OUTPUT_OCR_GOOGLE_LOWRES_DIRNAME) %
-	$(PYTHON_RUN) scripts.evaluate_language_detection_page $^ $(DETECTED_LANGUAGES) $@
+%.accuracy-results-human-with-columns: $(INPUT_HUMAN_JUDGEMENTS_UPSCALED_HIGH_CONFIDENCE_FILENAMES_WITH_COLUMNS) $(OUTPUT_RELEVANT_PAGES) $(INPUT_HUMAN_JUDGEMENTS_WITH_COLUMNS_DIRNAME) %
+	$(PYTHON_RUN) scripts.evaluate_accuracy $^ $@ $@.difficult-pages
+
+%.accuracy-results-human-without-columns: $(INPUT_HUMAN_JUDGEMENTS_UPSCALED_HIGH_CONFIDENCE_FILENAMES_WITHOUT_COLUMNS) $(OUTPUT_RELEVANT_PAGES) $(INPUT_HUMAN_JUDGEMENTS_WITHOUT_COLUMNS_DIRNAME) %
+	$(PYTHON_RUN) scripts.evaluate_accuracy $^ $@ $@.difficult-pages
+
+%.language-detection-page-results-lowres-olda: $(INPUT_UPSCALED_HIGH_CONFIDENCE_FILENAMES) $(OUTPUT_OCR_GOOGLE_LOWRES_DIRNAME) %
+	$(PYTHON_RUN) scripts.evaluate_language_detection_page $^ $(DETECTED_LANGUAGES) $@ OLDA OLDA
+
+%.language-detection-page-results-hires-olda: $(INPUT_UPSCALED_HIGH_CONFIDENCE_FILENAMES) $(OUTPUT_OCR_GOOGLE_HIRES_DIRNAME) %
+	$(PYTHON_RUN) scripts.evaluate_language_detection_page $^ $(DETECTED_LANGUAGES) $@ OLDA OLDA
+
+%.language-detection-page-results-human-olda: $(INPUT_UPSCALED_HIGH_CONFIDENCE_FILENAMES) $(LANGUAGE_DETECTION_ANNOTATIONS) %
+	$(PYTHON_RUN) scripts.evaluate_language_detection_page $^ $(DETECTED_LANGUAGES) $@ annotated OLDA
+
+%.language-detection-page-results-lowres-nlda: $(INPUT_UPSCALED_HIGH_CONFIDENCE_FILENAMES) $(OUTPUT_OCR_GOOGLE_LOWRES_DIRNAME) %
+	$(PYTHON_RUN) scripts.evaluate_language_detection_page $^ $(DETECTED_LANGUAGES) $@ OLDA NLDA
 
-%.language-detection-page-results-hires: $(INPUT_UPSCALED_HIGH_CONFIDENCE_FILENAMES) $(OUTPUT_OCR_GOOGLE_HIRES_DIRNAME) %
-	$(PYTHON_RUN) scripts.evaluate_language_detection_page $^ $(DETECTED_LANGUAGES) $@
+%.language-detection-page-results-hires-nlda: $(INPUT_UPSCALED_HIGH_CONFIDENCE_FILENAMES) $(OUTPUT_OCR_GOOGLE_HIRES_DIRNAME) %
+	$(PYTHON_RUN) scripts.evaluate_language_detection_page $^ $(DETECTED_LANGUAGES) $@ OLDA NLDA
 
-%.language-detection-page-results-human: $(INPUT_UPSCALED_HIGH_CONFIDENCE_FILENAMES) $(LANGUAGE_DETECTION_ANNOTATIONS) %
-	$(PYTHON_RUN) scripts.evaluate_language_detection_page $^ $(DETECTED_LANGUAGES) $@ annotated
+%.language-detection-page-results-human-nlda: $(INPUT_UPSCALED_HIGH_CONFIDENCE_FILENAMES) $(LANGUAGE_DETECTION_ANNOTATIONS) %
+	$(PYTHON_RUN) scripts.evaluate_language_detection_page $^ $(DETECTED_LANGUAGES) $@ annotated NLDA
 
 $(addprefix %.detected-languages.,$(THRESHOLDS)): $(INPUT_FILENAMES_FILTERED) %
 	$(PYTHON_RUN) scripts.extract_detected_languages $^ $(DETECTED_LANGUAGES) $@ $(subst .,,$(suffix $@))
diff --git a/output-ocr-google-hires.language-detection-page-results-hires-olda b/output-ocr-google-hires.language-detection-page-results-hires-olda
new file mode 100644
index 0000000000000000000000000000000000000000..147c2319df21ff088d4c1c9b1db85715d00ee103
--- /dev/null
+++ b/output-ocr-google-hires.language-detection-page-results-hires-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 100.00%
+Mean Mean IOU 95.00% CI estimate: [nan%; nan%]
+
+Mean Mean Spearman's rho point estimate: 1.00
+Mean Mean Spearman's rho 95.00% CI estimate: [1.00; 1.00]
+
+Mean Accuracy@1 point estimate: 100.00%
+Mean Accuracy@1 95.00% CI estimate: [nan%; nan%]
+
diff --git a/output-ocr-google-hires.language-detection-page-results-human b/output-ocr-google-hires.language-detection-page-results-human-nlda
similarity index 100%
rename from output-ocr-google-hires.language-detection-page-results-human
rename to output-ocr-google-hires.language-detection-page-results-human-nlda
diff --git a/output-ocr-google-hires.language-detection-page-results-human-olda b/output-ocr-google-hires.language-detection-page-results-human-olda
new file mode 100644
index 0000000000000000000000000000000000000000..f13500968f290ede6a0b880ee8a26498420d3d34
--- /dev/null
+++ b/output-ocr-google-hires.language-detection-page-results-human-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 92.42%
+Mean Mean IOU 95.00% CI estimate: [91.07%; 93.77%]
+
+Mean Mean Spearman's rho point estimate: 0.90
+Mean Mean Spearman's rho 95.00% CI estimate: [0.85; 0.95]
+
+Mean Accuracy@1 point estimate: 99.18%
+Mean Accuracy@1 95.00% CI estimate: [97.56%; 100.80%]
+
diff --git a/output-ocr-google-hires.language-detection-page-results-lowres-olda b/output-ocr-google-hires.language-detection-page-results-lowres-olda
new file mode 100644
index 0000000000000000000000000000000000000000..64b646ffd83297575cc5fac33bf3ef42fc7ce29e
--- /dev/null
+++ b/output-ocr-google-hires.language-detection-page-results-lowres-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 98.03%
+Mean Mean IOU 95.00% CI estimate: [98.00%; 98.06%]
+
+Mean Mean Spearman's rho point estimate: 0.98
+Mean Mean Spearman's rho 95.00% CI estimate: [0.97; 0.98]
+
+Mean Accuracy@1 point estimate: 99.48%
+Mean Accuracy@1 95.00% CI estimate: [99.42%; 99.53%]
+
diff --git a/output-ocr-google-lowres.language-detection-page-results-hires-olda b/output-ocr-google-lowres.language-detection-page-results-hires-olda
new file mode 100644
index 0000000000000000000000000000000000000000..64b646ffd83297575cc5fac33bf3ef42fc7ce29e
--- /dev/null
+++ b/output-ocr-google-lowres.language-detection-page-results-hires-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 98.03%
+Mean Mean IOU 95.00% CI estimate: [98.00%; 98.06%]
+
+Mean Mean Spearman's rho point estimate: 0.98
+Mean Mean Spearman's rho 95.00% CI estimate: [0.97; 0.98]
+
+Mean Accuracy@1 point estimate: 99.48%
+Mean Accuracy@1 95.00% CI estimate: [99.42%; 99.53%]
+
diff --git a/output-ocr-google-lowres.language-detection-page-results-human b/output-ocr-google-lowres.language-detection-page-results-human-nlda
similarity index 100%
rename from output-ocr-google-lowres.language-detection-page-results-human
rename to output-ocr-google-lowres.language-detection-page-results-human-nlda
diff --git a/output-ocr-google-lowres.language-detection-page-results-human-olda b/output-ocr-google-lowres.language-detection-page-results-human-olda
new file mode 100644
index 0000000000000000000000000000000000000000..524d71fb88c80e4494adb9d244a1cd3d57cb0bd6
--- /dev/null
+++ b/output-ocr-google-lowres.language-detection-page-results-human-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 92.39%
+Mean Mean IOU 95.00% CI estimate: [90.94%; 93.85%]
+
+Mean Mean Spearman's rho point estimate: 0.88
+Mean Mean Spearman's rho 95.00% CI estimate: [0.82; 0.93]
+
+Mean Accuracy@1 point estimate: 99.18%
+Mean Accuracy@1 95.00% CI estimate: [97.56%; 100.80%]
+
diff --git a/output-ocr-google-lowres.language-detection-page-results-lowres-olda b/output-ocr-google-lowres.language-detection-page-results-lowres-olda
new file mode 100644
index 0000000000000000000000000000000000000000..147c2319df21ff088d4c1c9b1db85715d00ee103
--- /dev/null
+++ b/output-ocr-google-lowres.language-detection-page-results-lowres-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 100.00%
+Mean Mean IOU 95.00% CI estimate: [nan%; nan%]
+
+Mean Mean Spearman's rho point estimate: 1.00
+Mean Mean Spearman's rho 95.00% CI estimate: [1.00; 1.00]
+
+Mean Accuracy@1 point estimate: 100.00%
+Mean Accuracy@1 95.00% CI estimate: [nan%; nan%]
+
diff --git a/output-ocr3+4.language-detection-page-results-hires b/output-ocr3+4.language-detection-page-results-hires-nlda
similarity index 100%
rename from output-ocr3+4.language-detection-page-results-hires
rename to output-ocr3+4.language-detection-page-results-hires-nlda
diff --git a/output-ocr3+4.language-detection-page-results-hires-olda b/output-ocr3+4.language-detection-page-results-hires-olda
new file mode 100644
index 0000000000000000000000000000000000000000..fa1749f09fe9a75cc56adaef1c3817fda92ec31f
--- /dev/null
+++ b/output-ocr3+4.language-detection-page-results-hires-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 19.61%
+Mean Mean IOU 95.00% CI estimate: [19.43%; 19.79%]
+
+Mean Mean Spearman's rho point estimate: -0.12
+Mean Mean Spearman's rho 95.00% CI estimate: [-0.12; -0.11]
+
+Mean Accuracy@1 point estimate: 24.55%
+Mean Accuracy@1 95.00% CI estimate: [24.22%; 24.88%]
+
diff --git a/output-ocr3+4.language-detection-page-results-human b/output-ocr3+4.language-detection-page-results-human-nlda
similarity index 100%
rename from output-ocr3+4.language-detection-page-results-human
rename to output-ocr3+4.language-detection-page-results-human-nlda
diff --git a/output-ocr3+4.language-detection-page-results-human-olda b/output-ocr3+4.language-detection-page-results-human-olda
new file mode 100644
index 0000000000000000000000000000000000000000..e95d7ecf61d605178e9560bcba7000886a22eb77
--- /dev/null
+++ b/output-ocr3+4.language-detection-page-results-human-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 10.36%
+Mean Mean IOU 95.00% CI estimate: [7.14%; 13.59%]
+
+Mean Mean Spearman's rho point estimate: -0.14
+Mean Mean Spearman's rho 95.00% CI estimate: [-0.23; -0.05]
+
+Mean Accuracy@1 point estimate: 11.48%
+Mean Accuracy@1 95.00% CI estimate: [5.74%; 17.21%]
+
diff --git a/output-ocr3+4.language-detection-page-results-lowres b/output-ocr3+4.language-detection-page-results-lowres-nlda
similarity index 100%
rename from output-ocr3+4.language-detection-page-results-lowres
rename to output-ocr3+4.language-detection-page-results-lowres-nlda
diff --git a/output-ocr3+4.language-detection-page-results-lowres-olda b/output-ocr3+4.language-detection-page-results-lowres-olda
new file mode 100644
index 0000000000000000000000000000000000000000..1cbe7fcd3d85dbfc9c38e6cab7b7937b7f5a488c
--- /dev/null
+++ b/output-ocr3+4.language-detection-page-results-lowres-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 19.60%
+Mean Mean IOU 95.00% CI estimate: [19.42%; 19.78%]
+
+Mean Mean Spearman's rho point estimate: -0.12
+Mean Mean Spearman's rho 95.00% CI estimate: [-0.12; -0.12]
+
+Mean Accuracy@1 point estimate: 24.53%
+Mean Accuracy@1 95.00% CI estimate: [24.20%; 24.86%]
+
diff --git a/output-ocr3.language-detection-page-results-hires b/output-ocr3.language-detection-page-results-hires-nlda
similarity index 100%
rename from output-ocr3.language-detection-page-results-hires
rename to output-ocr3.language-detection-page-results-hires-nlda
diff --git a/output-ocr3.language-detection-page-results-hires-olda b/output-ocr3.language-detection-page-results-hires-olda
new file mode 100644
index 0000000000000000000000000000000000000000..6b3d1ec86245b2e55f4b0c41b9a40fc0000a5a57
--- /dev/null
+++ b/output-ocr3.language-detection-page-results-hires-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 48.26%
+Mean Mean IOU 95.00% CI estimate: [48.02%; 48.50%]
+
+Mean Mean Spearman's rho point estimate: 0.36
+Mean Mean Spearman's rho 95.00% CI estimate: [0.36; 0.36]
+
+Mean Accuracy@1 point estimate: 65.01%
+Mean Accuracy@1 95.00% CI estimate: [64.64%; 65.38%]
+
diff --git a/output-ocr3.language-detection-page-results-human b/output-ocr3.language-detection-page-results-human-nlda
similarity index 100%
rename from output-ocr3.language-detection-page-results-human
rename to output-ocr3.language-detection-page-results-human-nlda
diff --git a/output-ocr3.language-detection-page-results-human-olda b/output-ocr3.language-detection-page-results-human-olda
new file mode 100644
index 0000000000000000000000000000000000000000..c00c2faa8f22521d87c1edb3414e4ba458b887ae
--- /dev/null
+++ b/output-ocr3.language-detection-page-results-human-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 27.97%
+Mean Mean IOU 95.00% CI estimate: [23.03%; 32.92%]
+
+Mean Mean Spearman's rho point estimate: 0.26
+Mean Mean Spearman's rho 95.00% CI estimate: [0.17; 0.35]
+
+Mean Accuracy@1 point estimate: 42.62%
+Mean Accuracy@1 95.00% CI estimate: [33.72%; 51.52%]
+
diff --git a/output-ocr3.language-detection-page-results-lowres b/output-ocr3.language-detection-page-results-lowres-nlda
similarity index 100%
rename from output-ocr3.language-detection-page-results-lowres
rename to output-ocr3.language-detection-page-results-lowres-nlda
diff --git a/output-ocr3.language-detection-page-results-lowres-olda b/output-ocr3.language-detection-page-results-lowres-olda
new file mode 100644
index 0000000000000000000000000000000000000000..6add29b1a92115780b74b785cdc17a4010832f72
--- /dev/null
+++ b/output-ocr3.language-detection-page-results-lowres-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 48.25%
+Mean Mean IOU 95.00% CI estimate: [48.01%; 48.49%]
+
+Mean Mean Spearman's rho point estimate: 0.36
+Mean Mean Spearman's rho 95.00% CI estimate: [0.36; 0.36]
+
+Mean Accuracy@1 point estimate: 65.00%
+Mean Accuracy@1 95.00% CI estimate: [64.63%; 65.36%]
+
diff --git a/output-ocr4-onepass.language-detection-page-results-hires b/output-ocr4-onepass.language-detection-page-results-hires-nlda
similarity index 100%
rename from output-ocr4-onepass.language-detection-page-results-hires
rename to output-ocr4-onepass.language-detection-page-results-hires-nlda
diff --git a/output-ocr4-onepass.language-detection-page-results-hires-olda b/output-ocr4-onepass.language-detection-page-results-hires-olda
new file mode 100644
index 0000000000000000000000000000000000000000..6797db1348eb74470cd87adf1ccf8ca4e4cf1161
--- /dev/null
+++ b/output-ocr4-onepass.language-detection-page-results-hires-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 49.84%
+Mean Mean IOU 95.00% CI estimate: [49.60%; 50.08%]
+
+Mean Mean Spearman's rho point estimate: 0.33
+Mean Mean Spearman's rho 95.00% CI estimate: [0.32; 0.33]
+
+Mean Accuracy@1 point estimate: 66.49%
+Mean Accuracy@1 95.00% CI estimate: [66.13%; 66.85%]
+
diff --git a/output-ocr4-onepass.language-detection-page-results-human b/output-ocr4-onepass.language-detection-page-results-human-nlda
similarity index 100%
rename from output-ocr4-onepass.language-detection-page-results-human
rename to output-ocr4-onepass.language-detection-page-results-human-nlda
diff --git a/output-ocr4-onepass.language-detection-page-results-human-olda b/output-ocr4-onepass.language-detection-page-results-human-olda
new file mode 100644
index 0000000000000000000000000000000000000000..2dada04fda289519ffc6342fcf9eeee20aea88fb
--- /dev/null
+++ b/output-ocr4-onepass.language-detection-page-results-human-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 26.18%
+Mean Mean IOU 95.00% CI estimate: [21.13%; 31.23%]
+
+Mean Mean Spearman's rho point estimate: 0.22
+Mean Mean Spearman's rho 95.00% CI estimate: [0.12; 0.32]
+
+Mean Accuracy@1 point estimate: 36.89%
+Mean Accuracy@1 95.00% CI estimate: [28.20%; 45.57%]
+
diff --git a/output-ocr4-onepass.language-detection-page-results-lowres b/output-ocr4-onepass.language-detection-page-results-lowres-nlda
similarity index 100%
rename from output-ocr4-onepass.language-detection-page-results-lowres
rename to output-ocr4-onepass.language-detection-page-results-lowres-nlda
diff --git a/output-ocr4-onepass.language-detection-page-results-lowres-olda b/output-ocr4-onepass.language-detection-page-results-lowres-olda
new file mode 100644
index 0000000000000000000000000000000000000000..b05745f1ffd79d0e74c9a20ea9fed4ef6ad2447d
--- /dev/null
+++ b/output-ocr4-onepass.language-detection-page-results-lowres-olda
@@ -0,0 +1,9 @@
+Mean Mean IOU point estimate: 49.84%
+Mean Mean IOU 95.00% CI estimate: [49.60%; 50.08%]
+
+Mean Mean Spearman's rho point estimate: 0.33
+Mean Mean Spearman's rho 95.00% CI estimate: [0.32; 0.33]
+
+Mean Accuracy@1 point estimate: 66.48%
+Mean Accuracy@1 95.00% CI estimate: [66.12%; 66.84%]
+