diff --git a/Taskfile.yml b/Taskfile.yml
index d209c66..23e8bff 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -56,11 +56,11 @@ tasks:
         if [ ! -f "$OPENREFINE" ]; then
           echo 1>&2 "OpenRefine missing; try task install"; exit 1
         fi
-        rm -rf ./*.project* workspace.json openrefine.log
+        rm -rf ./*.project* workspace.json "{{.PROJECT}}.log"
       - > # launch OpenRefine with specific data directory and redirect its output to a log file
         "$OPENREFINE" -v warn -p {{.PORT}} -m {{.RAM}}
         -d ../{{.DIR}}
-        >> openrefine.log 2>&1 &
+        >> "{{.PROJECT}}.log" 2>&1 &
       - | # wait until OpenRefine API is available
         timeout 30s bash -c "until
           wget -q -O - http://localhost:{{.PORT}} | cat | grep -q -o OpenRefine
@@ -86,6 +86,6 @@ tasks:
     dir: ./{{.DIR}}
     cmds:
       - | # find log file(s) and check for "exception" or "error"
-        if grep -i 'exception\|error' $(find . -name openrefine.log); then
+        if grep -i 'exception\|error' $(find . -name *.log); then
           echo 1>&2 "log contains warnings!"; exit 1
         fi
diff --git a/example-doaj/Taskfile.yml b/example-doaj/Taskfile.yml
index acfc1c4..9bc3f1d 100644
--- a/example-doaj/Taskfile.yml
+++ b/example-doaj/Taskfile.yml
@@ -17,24 +17,24 @@ tasks:
       PROJECT: doaj
       PORT: 3334 # assign a different port for each project
       RAM: 2048M # maximum RAM for OpenRefine java heap space
-      LOG: '>(tee -a openrefine.log) 2>&1'
+      LOG: '>(tee -a "{{.PROJECT}}.log") 2>&1'
     deps: # will be executed each run independent of up-to-date check
       - task: download
     cmds:
       - task: :start # launch OpenRefine
-        vars: {DIR: '{{.DIR}}', PORT: '{{.PORT}}', RAM: '{{.RAM}}'}
+        vars: {DIR: '{{.DIR}}', PROJECT: '{{.PROJECT}}', PORT: '{{.PORT}}', RAM: '{{.RAM}}'}
       - > # import file
         "$CLIENT" -P {{.PORT}}
         --create "$(readlink -m input/doaj-article-sample.csv)"
-        --projectName {{.PROJECT}}
+        --projectName "{{.PROJECT}}"
         > {{.LOG}}
       - > # apply transformation rules
-        "$CLIENT" -P {{.PORT}} {{.PROJECT}}
+        "$CLIENT" -P {{.PORT}} "{{.PROJECT}}"
         --apply config/doaj-openrefine.json
         > {{.LOG}}
       - > # export to file
         mkdir -p output &&
-        "$CLIENT" -P {{.PORT}} {{.PROJECT}}
+        "$CLIENT" -P {{.PORT}} "{{.PROJECT}}"
         --output "$(readlink -m output/doaj-results.tsv)"
         > {{.LOG}}
       - | # print allocated system resources
diff --git a/example-duplicates/Taskfile.yml b/example-duplicates/Taskfile.yml
index e61ca96..ee8c742 100644
--- a/example-duplicates/Taskfile.yml
+++ b/example-duplicates/Taskfile.yml
@@ -17,23 +17,23 @@ tasks:
       PROJECT: duplicates
       PORT: 3335 # assign a different port for each project
       RAM: 2048M # maximum RAM for OpenRefine java heap space
-      LOG: '>(tee -a openrefine.log) 2>&1'
+      LOG: '>(tee -a "{{.PROJECT}}.log") 2>&1'
     cmds:
       - task: :start # launch OpenRefine
-        vars: {DIR: '{{.DIR}}', PORT: '{{.PORT}}', RAM: '{{.RAM}}'}
+        vars: {DIR: '{{.DIR}}', PROJECT: '{{.PROJECT}}', PORT: '{{.PORT}}', RAM: '{{.RAM}}'}
       - > # import file
         "$CLIENT" -P {{.PORT}}
         --create "$(readlink -m input/duplicates.csv)"
         --encoding UTF-8
-        --projectName {{.PROJECT}}
+        --projectName "{{.PROJECT}}"
         > {{.LOG}}
       - > # apply transformation rules
-        "$CLIENT" -P {{.PORT}} {{.PROJECT}}
+        "$CLIENT" -P {{.PORT}} "{{.PROJECT}}"
         --apply config/duplicates-deletion.json
         > {{.LOG}}
       - > # export to file
         mkdir -p output &&
-        "$CLIENT" -P {{.PORT}} {{.PROJECT}}
+        "$CLIENT" -P {{.PORT}} "{{.PROJECT}}"
         --output "$(readlink -m output/deduped.xls)"
         > {{.LOG}}
       - | # print allocated system resources
diff --git a/example-powerhouse/Taskfile.yml b/example-powerhouse/Taskfile.yml
index 4aec8f8..e538a4b 100644
--- a/example-powerhouse/Taskfile.yml
+++ b/example-powerhouse/Taskfile.yml
@@ -17,26 +17,26 @@ tasks:
       PROJECT: phm
       PORT: 3336 # assign a different port for each project
       RAM: 2048M # maximum RAM for OpenRefine java heap space
-      LOG: '>(tee -a openrefine.log) 2>&1'
+      LOG: '>(tee -a "{{.PROJECT}}.log") 2>&1'
     deps: # will be executed each run independent of up-to-date check
       - task: download
     cmds:
       - task: :start # launch OpenRefine
-        vars: {DIR: '{{.DIR}}', PORT: '{{.PORT}}', RAM: '{{.RAM}}'}
+        vars: {DIR: '{{.DIR}}', PROJECT: '{{.PROJECT}}', PORT: '{{.PORT}}', RAM: '{{.RAM}}'}
       - > # import file
         "$CLIENT" -P {{.PORT}}
         --create "$(readlink -m input/phm-collection.tsv)"
         --processQuotes false
         --guessCellValueTypes true
-        --projectName {{.PROJECT}}
+        --projectName "{{.PROJECT}}"
         > {{.LOG}}
       - > # apply transformation rules
-        "$CLIENT" -P {{.PORT}} {{.PROJECT}}
+        "$CLIENT" -P {{.PORT}} "{{.PROJECT}}"
         --apply config/phm-transform.json
         > {{.LOG}}
       - > # export to file
         mkdir -p output &&
-        "$CLIENT" -P {{.PORT}} {{.PROJECT}}
+        "$CLIENT" -P {{.PORT}} "{{.PROJECT}}"
         --output "$(readlink -m output/phm-results.tsv)"
         > {{.LOG}}
       - | # print allocated system resources