diff --git a/ceurws/__init__.py b/ceurws/__init__.py
index a8d4557..6a9beea 100644
--- a/ceurws/__init__.py
+++ b/ceurws/__init__.py
@@ -1 +1 @@
-__version__ = "0.3.5"
+__version__ = "0.4.0"
diff --git a/ceurws/ceur_ws_web_cmd.py b/ceurws/ceur_ws_web_cmd.py
new file mode 100644
index 0000000..81531c3
--- /dev/null
+++ b/ceurws/ceur_ws_web_cmd.py
@@ -0,0 +1,148 @@
+"""
+Created on 2024-02-22
+
+@author: wf
+"""
+import sys
+from ngwidgets.cmd import WebserverCmd
+from ceurws.webserver import CeurWsWebServer
+from argparse import ArgumentParser
+from tabulate import tabulate
+from tqdm import tqdm
+from dataclasses import asdict
+
+from ceurws.ceur_ws import VolumeManager
+from ceurws.namedqueries import NamedQueries
+from ceurws.wikidatasync import WikidataSync
+
+
+class CeurWsCmd(WebserverCmd):
+    """
+    command line handling for CEUR-WS Volume browser
+    """
+
+    def __init__(self):
+        """
+        constructor
+        """
+        config = CeurWsWebServer.get_config()
+        WebserverCmd.__init__(self, config, CeurWsWebServer, DEBUG)
+        pass
+    
+    def getArgParser(self, description: str, version_msg) -> ArgumentParser:
+        """
+        override the default argparser call
+        """
+        parser = super().getArgParser(description, version_msg)
+        parser.add_argument(
+            "-f",
+            "--force",
+            action="store_true",
+            help="force update [default: %(default)s]",
+        )
+        parser.add_argument(
+            "--list",
+            action="store_true",
+            help="list all volumes [default: %(default)s]",
+        )
+        parser.add_argument(
+            "-rc",
+            "--recreate",
+            action="store_true",
+            help="recreate caches e.g. volume table",
+        )
+        parser.add_argument(
+            "-den",
+            "--dblp_endpoint_name",
+            help="name of dblp endpoint to use %(default)s",
+            default="qlever-dblp",
+        )
+        parser.add_argument(
+            "-wen",
+            "--wikidata_endpoint_name",
+            help="name of wikidata endpoint to use %(default)s",
+            default="wikidata",
+        )
+        parser.add_argument(
+            "-wdu",
+            "--wikidata_update",
+            action="store_true",
+            help="update tables from wikidata",
+        )
+        parser.add_argument(
+            "-dbu", "--dblp_update", action="store_true", help="update dblp cache"
+        )
+        parser.add_argument(
+            "-nq",
+            "--namedqueries",
+            action="store_true",
+            help="generate named queries [default: %(default)s]",
+        )
+        return parser
+    
+    def handle_args(self)->bool:
+        """
+        handle the command line arguments
+        """
+        args=self.args
+        if args.namedqueries:
+            nq = NamedQueries()
+            yaml = nq.toYaml()
+            print(yaml)
+        if args.list:
+            manager = VolumeManager()
+            manager.loadFromBackup()
+            for volume in manager.getList():
+                print(volume)
+        if args.recreate:
+            manager = VolumeManager()
+            manager.recreate(progress=True)
+        if args.wikidata_update:
+            wdsync = WikidataSync.from_args(args)
+            wdsync.update(withStore=True)
+        if args.dblp_update:
+            wdsync = WikidataSync.from_args(args)
+            endpoint = wdsync.dbpEndpoint
+            print(f"updating dblp cache from SPARQL endpoint {endpoint.sparql.url}")
+            # Instantiate the progress bar
+            pbar = tqdm(total=len(wdsync.dbpEndpoint.cache_functions))
+            for _step, (cache_name, cache_function) in enumerate(
+                endpoint.cache_functions.items(), start=1
+            ):
+                # Call the corresponding function to refresh cache data
+                cache_function(force_query=args.force)
+                # Update the progress bar description with the cache name and increment
+                pbar.set_description(f"{cache_name} updated ...")
+
+                # Update the progress bar manually
+                pbar.update(1)  # Increment the progress bar by 1 for each iteration
+
+            # Close the progress bar after the loop
+            pbar.close()
+            table_data = []
+            for _step, (cache_name, cache_function) in enumerate(
+                endpoint.cache_functions.items(), start=1
+            ):
+                info = endpoint.json_cache_manager.get_cache_info(cache_name)
+                table_data.append(asdict(info))
+            table = tabulate(table_data, headers="keys", tablefmt="grid")
+            print(table)
+            pass
+        handled=super().handle_args()
+        return handled 
+
+
+def main(argv: list = None):
+    """
+    main call
+    """
+    cmd = CeurWsCmd()
+    exit_code = cmd.cmd_main(argv)
+    return exit_code
+
+
+DEBUG = 0
+if __name__ == "__main__":
+    if DEBUG:
+        sys.argv.append("-d")
+    sys.exit(main())
\ No newline at end of file
diff --git a/ceurws/version.py b/ceurws/version.py
index 40dc3c3..dd09daf 100644
--- a/ceurws/version.py
+++ b/ceurws/version.py
@@ -4,8 +4,9 @@
 @author: wf
 """
 import ceurws
+from dataclasses import dataclass
 
-
+@dataclass
 class Version(object):
     """
     Version handling for VolumeBrowser
@@ -14,8 +15,8 @@ class Version(object):
     name = "CEUR-WS Volume Browser"
     version = ceurws.__version__
     date = "2022-08-14"
-    updated = "2024-02-20"
-    description = ("CEUR-WS Volume browser",)
+    updated = "2024-02-22"
+    description = "CEUR-WS Volume browser"
 
     authors = "Tim Holzheim, Wolfgang Fahl"
 
diff --git a/ceurws/webserver.py b/ceurws/webserver.py
new file mode 100644
index 0000000..20f2dfc
--- /dev/null
+++ b/ceurws/webserver.py
@@ -0,0 +1,72 @@
+'''
+Created on 2024-02-22
+
+@author: wf
+'''
+from ngwidgets.input_webserver import InputWebserver, InputWebSolution
+from ngwidgets.webserver import WebserverConfig
+from ceurws.version import Version
+from nicegui import Client,ui
+from ceurws.wikidatasync import WikidataSync
+
+class CeurWsWebServer(InputWebserver):
+    """
+    webserver
+    """
+
+    @classmethod
+    def get_config(cls) -> WebserverConfig:
+        copy_right = "(c)2023-2024 Wolfgang Fahl"
+        config = WebserverConfig(
+            copy_right=copy_right, 
+            version=Version(), 
+            default_port=9998,
+            short_name="spf"
+        )
+        server_config = WebserverConfig.get(config)
+        server_config.solution_class =CeurWsSolution
+        return server_config
+
+    def __init__(self):
+        """
+        constructor
+        """
+        InputWebserver.__init__(self, config=CeurWsWebServer.get_config())
+        
+    def configure_run(self):
+        InputWebserver.configure_run(self)
+        self.wdSync = WikidataSync.from_args(self.args)
+        self.volume_options=[]
+        for volume in self.wdSync.vm.getList():
+            title = f"Vol-{volume.number}:{volume.title}"
+            self.volume_options.append(title)
+        
+class CeurWsSolution(InputWebSolution):
+    """
+    CEUR-WS Volume browser solution
+
+    """
+    def __init__(self, webserver: CeurWsWebServer, client: Client):
+        """
+        Initialize the solution
+
+        Calls the constructor of the base solution
+        Args:
+            webserver (CeurWsWebServer): The webserver instance associated with this context.
+            client (Client): The client instance this context is associated with.
+        """
+        super().__init__(webserver, client)  # Call to the superclass constructor
+        
+    async def home(self):
+        """
+        home page selection
+        """
+
+        def show():
+            try:
+                with ui.row():
+                    self.volume_select=ui.select(options=self.webserver.volume_options, with_input=True)
+            except Exception as ex:
+                self.handle_exception(ex)
+
+        await self.setup_content_div(show)
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 25e6234..933515b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,40 +16,42 @@ maintainers = [
 readme = "README.md"
 license= "Apache-2.0"
 dependencies = [
-	# https://pypi.org/project/fastapi/
-	# pin fastapi, httpcore and starlette as long as we use justpy
-	'fastapi==0.95.0',
-	'starlette==0.26.1',
-	'httpcore==0.15.0',
-    # https://pypi.org/project/geograpy3/
-    'geograpy3>=0.2.7',
- 	#https://github.com/martinblech/xmltodict
-	'xmltodict>=0.13.0',
-	# https://pypi.org/project/pylodstorage/
-	'pylodstorage>=0.4.11',
-	# https://github.com/pyparsing/pyparsing
-	'pyparsing>=3.0.9',
-	# https://pypi.org/project/beautifulsoup4/
-	'BeautifulSoup4>=4.11.2',
-	# https://pypi.org/project/lxml/
-	'lxml>=4.9.2',
-	# pyjustpywidgets
-	# https://pypi.org/project/pyJustpyWidgets/
-	'pyJustpyWidgets>=0.1.13',
-	# https://pypi.org/project/justpy/
-	'justpy>=0.13.0',
-	# https://pypi.org/project/pyGenericSpreadSheet/
-	'pyGenericSpreadSheet>=0.2.4',
-	# https://pypi.org/project/py-3rdparty-mediawiki/
-    'py-3rdparty-mediawiki>=0.9.3',
-    # https://github.com/tqdm/tqdm
-    'tqdm',
-    'orjson>=3.8.9',
-    # https://pypi.org/project/neo4j/
-    'neo4j'
+   # https://pypi.org/project/fastapi/
+   # pin fastapi, httpcore and starlette as long as we use justpy
+   #	'fastapi==0.95.0',
+   # 	'starlette==0.26.1',
+   # 	'httpcore==0.15.0',
+   # https://pypi.org/project/geograpy3/
+   'geograpy3>=0.2.7',
+   #https://github.com/martinblech/xmltodict
+   'xmltodict>=0.13.0',
+   # https://pypi.org/project/pylodstorage/
+   'pylodstorage>=0.4.11',
+   # https://github.com/pyparsing/pyparsing
+   'pyparsing>=3.0.9',
+   # https://pypi.org/project/beautifulsoup4/
+   'BeautifulSoup4>=4.11.2',
+   # https://pypi.org/project/lxml/
+   'lxml>=4.9.2',
+   # pyjustpywidgets
+   # https://pypi.org/project/pyJustpyWidgets/
+   # 'pyJustpyWidgets>=0.1.13',
+   # https://pypi.org/project/justpy/
+   # 'justpy>=0.13.0',
+   # https://pypi.org/project/pyGenericSpreadSheet/
+   'pyGenericSpreadSheet>=0.2.4',
+   # https://pypi.org/project/py-3rdparty-mediawiki/
+   'py-3rdparty-mediawiki>=0.9.3',
+   # https://github.com/tqdm/tqdm
+   'tqdm',
+   'orjson>=3.8.9',
+   # https://pypi.org/project/neo4j/
+   'neo4j',
+   # https://github.com/WolfgangFahl/nicegui_widgets
+   'ngwidgets>=0.12.5',
 ]
 
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 classifiers=[
     "Development Status :: 4 - Beta",
     "Environment :: Web Environment",
@@ -84,4 +86,4 @@ packages = [
   "ceurws",
 ]
 [project.scripts]
-ceur-ws = "ceurws.ceur_ws_cmd:main"
+ceur-ws = "ceurws.ceur_ws_web_cmd:main"