add data popup

app.py

@@ -259,7 +259,7 @@ app.layout = dmc.MantineProvider(
                                             className="paper-text",
                                         ),
                                     ],
-                                    href="https://www.google.com/",
+                                    href="https://www.dataprovenance.org/economies-of-open-intelligence.pdf",
                                     target="_blank",
                                     className="no-bg-link header-link paper-link",
                                 ),
@@ -289,6 +289,55 @@ app.layout = dmc.MantineProvider(
                                 "marginBottom": "20px",
                             },
                         ),
+                        # Add info popover next to the title
+                        dmc.Popover(
+                            width=350,
+                            position="top",
+                            withArrow=True,
+                            shadow="md",
+                            offset=8,
+                            children=[
+                                dmc.PopoverTarget(
+                                    html.Span(
+                                        DashIconify(
+                                            icon="mdi:information-outline",
+                                            width=22,
+                                            height=22,
+                                            style={
+                                                "marginLeft": "12px",
+                                                "color": "#AC482A",
+                                                "verticalAlign": "middle",
+                                                "cursor": "pointer",
+                                            },
+                                        ),
+                                        style={"display": "inline-block"},
+                                    )
+                                ),
+                                dmc.PopoverDropdown(
+                                    html.Div(
+                                        [
+                                            html.Span("Note: This dashboard uses ", style={"color": "#082030", "fontWeight": "500"}),
+                                            html.A(
+                                                "public Hugging Face download data",
+                                                href="https://huggingface.co/datasets/hfmlsoc/hub_weekly_snapshots",
+                                                target="_blank",
+                                                style={
+                                                    "color": "#AC482A",
+                                                    "fontWeight": "bold",
+                                                    "textDecoration": "underline"
+                                                },
+                                            ),
+                                            html.Span(", which is less precise than data analyzed in the paper.", style={"color": "#082030", "fontWeight": "500"}),
+                                        ],
+                                        style={
+                                            "fontSize": "15px",
+                                            "lineHeight": "1.5",
+                                            "margin": "4px 0",
+                                        },
+                                    )
+                                ),
+                            ],
+                        ),
                     ],
                     style={
                         "display": "flex",
@@ -305,7 +354,7 @@ app.layout = dmc.MantineProvider(
                         "This leaderboard assesses concentrations of power in the open model ecosystem through ranking user downloads across three groups: countries, developers, and models. Explore how user downloads of models are distributed among these groups and identify key players shaping the open model ecosystem on Hugging Face. This dashboard accompanies the paper titled ",
                         html.A(
                             "Economies of Open Intelligence: Tracing Power & Participation in the Model Ecosystem.",
-                            href="https://www.google.com/",
+                            href="https://www.dataprovenance.org/economies-of-open-intelligence.pdf",
                             target="_blank",
                             style={
                                 "color": "#AC482A",