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diff --git a/examples/advanced_queries.py b/examples/advanced_queries.py
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+"""Advanced query examples for nvdb-py."""
+
+import asyncio
+from datetime import datetime, timedelta
+
+from nvd import NVDClient
+
+
+async def main() -> None:
+    """Run advanced examples."""
+    async with NVDClient() as client:
+        print("=" * 80)
+        print("Example 1: CVEs in CISA KEV catalog with HIGH severity")
+        print("=" * 80)
+
+        count = 0
+        async for cve in client.cve.search_cves(
+            has_kev=True, cvss_v3_severity="HIGH"
+        ):
+            print(f"{cve.id} - Score: {cve.cvss_v3_score}")
+            count += 1
+            if count >= 5:
+                break
+        print(f"Showing {count} results\n")
+
+        print("=" * 80)
+        print("Example 2: CVEs for specific CPE (Apache Log4j)")
+        print("=" * 80)
+
+        count = 0
+        async for cve in client.cve.search_cves(
+            cpe_name="cpe:2.3:a:apache:log4j:2.14.1:*:*:*:*:*:*:*"
+        ):
+            print(f"{cve.id}: {cve.description[:100]}...")
+            count += 1
+            if count >= 5:
+                break
+        print(f"Showing {count} results\n")
+
+        print("=" * 80)
+        print("Example 3: Recent CVEs (last 30 days)")
+        print("=" * 80)
+
+        # Calculate date range
+        end_date = datetime.utcnow()
+        start_date = end_date - timedelta(days=30)
+
+        # Format for NVD API
+        start_str = start_date.strftime("%Y-%m-%dT%H:%M:%S.000")
+        end_str = end_date.strftime("%Y-%m-%dT%H:%M:%S.000")
+
+        count = 0
+        async for cve in client.cve.search_cves(
+            pub_start_date=start_str, pub_end_date=end_str
+        ):
+            print(f"{cve.id} - Published: {cve.published.date()}")
+            count += 1
+            if count >= 10:
+                break
+        print(f"Showing {count} results\n")
+
+        print("=" * 80)
+        print("Example 4: CVEs with specific CWE (Cross-Site Scripting)")
+        print("=" * 80)
+
+        count = 0
+        async for cve in client.cve.search_cves(cwe_id="CWE-79"):
+            print(f"{cve.id}: {cve.description[:100]}...")
+            count += 1
+            if count >= 5:
+                break
+        print(f"Showing {count} results\n")
+
+        print("=" * 80)
+        print("Example 5: CPE match criteria for a CVE")
+        print("=" * 80)
+
+        matches = await client.cpematch.get_cve_match_criteria("CVE-2021-44228")
+        print(f"Found {len(matches)} match criteria for CVE-2021-44228")
+        for match in matches[:5]:
+            print(f"  {match.criteria}")
+            if match.versionEndExcluding:
+                print(f"    Versions: < {match.versionEndExcluding}")
+        print()
+
+        print("=" * 80)
+        print("Example 6: Search with multiple filters")
+        print("=" * 80)
+
+        count = 0
+        async for cve in client.cve.search_cves(
+            keyword="remote",
+            cvss_v3_severity="CRITICAL",
+            has_cert_alerts=True,
+        ):
+            print(
+                f"{cve.id} - Score: {cve.cvss_v3_score} - {cve.description[:80]}..."
+            )
+            count += 1
+            if count >= 5:
+                break
+        print(f"Showing {count} results\n")
+
+        print("=" * 80)
+        print("Example 7: List data sources")
+        print("=" * 80)
+
+        count = 0
+        async for source in client.source.list_sources():
+            print(f"{source.name}")
+            print(f"  Contact: {source.contactEmail}")
+            print(f"  Identifiers: {', '.join(source.sourceIdentifiers[:3])}")
+            count += 1
+            if count >= 5:
+                break
+        print(f"Showing {count} results\n")
+
+
+if __name__ == "__main__":
+    asyncio.run(main())